Fix for debug output in matrix_scan

[yokada-code]

Description

Fix for debug output in matrix_scan.

Confirmed with corne cherry keyboard which has {"rows":8,"cols":6,"device_rows":4,"device_cols":6}.
I think this keyboard should display 8 rows as matrix.

before this fix:

[2023-09-01 22:01:15.872] ---- action_exec: start -----
[2023-09-01 22:01:15.872] EVENT: 0500u(31961)
[2023-09-01 22:01:15.872] Process KC:40
[2023-09-01 22:01:15.872] ACTION: ACT_LMODS[0:28] layer_state: 00000004(2) default_layer_state: 00000000(0)
[2023-09-01 22:01:15.875] keyboard_report: 00 00 00 00 00 00 00 00 
[2023-09-01 22:01:15.875] processed: 0500u(31961):0 
[2023-09-01 22:01:15.875] 
[2023-09-01 22:01:15.906] matrix rows:
[2023-09-01 22:01:15.908] 	r00:0x00
[2023-09-01 22:01:15.908] 	r01:0x00
[2023-09-01 22:01:15.908] 	r02:0x00
[2023-09-01 22:01:15.908] 	r03:0x00
[2023-09-01 22:01:15.908] 
[2023-09-01 22:01:15.908] 
[2023-09-01 22:01:15.908] ---- action_exec: start -----
[2023-09-01 22:01:15.908] EVENT: 0705u(31995)
[2023-09-01 22:01:15.908] Process KC:20738
[2023-09-01 22:01:15.908] ACTION: ACT_LAYER_TAP[2:F1] layer_state: 00000004(2) default_layer_state: 00000000(0)
[2023-09-01 22:01:15.908] layer_state: 00000004(2) to 00000000(0)
[2023-09-01 22:01:15.908] keyboard_report: 00 00 00 00 00 00 00 00 
[2023-09-01 22:01:15.908] processed: 0705u(31995):0 
[2023-09-01 22:01:15.911] 
[2023-09-01 22:01:16.630] device rows:
[2023-09-01 22:01:16.636] 	dr00:0x00
[2023-09-01 22:01:16.636] 	dr01:0x02
[2023-09-01 22:01:16.636] 	dr02:0x00
[2023-09-01 22:01:16.636] 	dr03:0x00
[2023-09-01 22:01:16.636] 
[2023-09-01 22:01:16.681] matrix rows:
[2023-09-01 22:01:16.691] 	r00:0x00
[2023-09-01 22:01:16.691] 	r01:0x02
[2023-09-01 22:01:16.691] 	r02:0x00
[2023-09-01 22:01:16.691] 	r03:0x00

after this fix:

k[2023-09-01 22:06:23.392] bmp@Corne>version
[2023-09-01 22:06:28.284] version:
[2023-09-01 22:06:28.284] UF2 Bootloader v0.11.2-0-g5c8d630
[2023-09-01 22:06:28.284] Model: BLE Micro Pro
[2023-09-01 22:06:28.284] Board-ID: NRF52840-BMP-V1
[2023-09-01 22:06:28.284] API version: 13
[2023-09-01 22:06:28.284] Config version: 2
[2023-09-01 22:06:28.284] 
[2023-09-01 22:06:28.284] app:
[2023-09-01 22:06:28.284] API version: 13
[2023-09-01 22:06:28.284] Config version: 2
[2023-09-01 22:06:28.284] Build from: bmp-0.11.3-7-g2b2aa64b5b
[2023-09-01 22:06:28.284] Build Target: ble_micro_pro_default
[2023-09-01 22:06:28.284] bmp@Corne>debug keyboard
[2023-09-01 22:06:35.068] bmp@Corne>matrix rows:
[2023-09-01 22:06:35.115] 	r00:0x00
[2023-09-01 22:06:35.115] 	r01:0x00
[2023-09-01 22:06:35.115] 	r02:0x00
[2023-09-01 22:06:35.115] 	r03:0x00
[2023-09-01 22:06:35.115] 	r04:0x00
[2023-09-01 22:06:35.115] 	r05:0x00
[2023-09-01 22:06:35.115] 	r06:0x00
[2023-09-01 22:06:35.115] 	r07:0x20
[2023-09-01 22:06:35.115] 
[2023-09-01 22:06:35.115] 
[2023-09-01 22:06:35.115] ---- action_exec: start -----
[2023-09-01 22:06:35.115] EVENT: 0500u(27813)
[2023-09-01 22:06:35.115] Process KC:40
[2023-09-01 22:06:35.115] ACTION: ACT_LMODS[0:28] layer_state: 00000004(2) default_layer_state: 00000000(0)
[2023-09-01 22:06:35.115] keyboard_report: 00 00 00 00 00 00 00 00 
[2023-09-01 22:06:35.115] processed: 0500u(27813):0 
[2023-09-01 22:06:35.115] 
[2023-09-01 22:06:35.130] matrix rows:
[2023-09-01 22:06:35.132] 	r00:0x00
[2023-09-01 22:06:35.132] 	r01:0x00
[2023-09-01 22:06:35.132] 	r02:0x00
[2023-09-01 22:06:35.132] 	r03:0x00
[2023-09-01 22:06:35.132] 	r04:0x00
[2023-09-01 22:06:35.132] 	r05:0x00
[2023-09-01 22:06:35.132] 	r06:0x00
[2023-09-01 22:06:35.132] 	r07:0x00
[2023-09-01 22:06:35.132] 
[2023-09-01 22:06:35.132] 
[2023-09-01 22:06:35.132] ---- action_exec: start -----
[2023-09-01 22:06:35.132] EVENT: 0705u(27829)
[2023-09-01 22:06:35.132] Process KC:20738
[2023-09-01 22:06:35.132] ACTION: ACT_LAYER_TAP[2:F1] layer_state: 00000004(2) default_layer_state: 00000000(0)
[2023-09-01 22:06:35.132] layer_state: 00000004(2) to 00000000(0)
[2023-09-01 22:06:35.132] keyboard_report: 00 00 00 00 00 00 00 00 
[2023-09-01 22:06:35.134] processed: 0705u(27829):0 
[2023-09-01 22:06:35.134] 
[2023-09-01 22:06:37.785] device rows:
[2023-09-01 22:06:37.787] 	dr00:0x00
[2023-09-01 22:06:37.787] 	dr01:0x02
[2023-09-01 22:06:37.787] 	dr02:0x00
[2023-09-01 22:06:37.787] 	dr03:0x00
[2023-09-01 22:06:37.787] 
[2023-09-01 22:06:37.836] matrix rows:
[2023-09-01 22:06:37.837] 	r00:0x00
[2023-09-01 22:06:37.837] 	r01:0x02
[2023-09-01 22:06:37.837] 	r02:0x00
[2023-09-01 22:06:37.837] 	r03:0x00
[2023-09-01 22:06:37.837] 	r04:0x00
[2023-09-01 22:06:37.837] 	r05:0x00
[2023-09-01 22:06:37.837] 	r06:0x00
[2023-09-01 22:06:37.837] 	r07:0x00

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Issues Fixed or Closed by This PR

• (none)

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).