Add SOLOGOODF722 target (with config.c for PINIO user boxes)

[sensei-hacker]

Summary

Finishes #11394 (adds the SOLOGOODF722 flight controller target) by adding the
config.c file requested in review but never supplied by the original PR author.

Credit for the target and flash chip support goes entirely to the author of
#11394 (Valerii Chebanov) — the 3 commits here are cherry-picked unchanged
from that PR. This PR adds one new commit on top: config.c, per
sensei-hacker's 2026-05-18 review comment on #11394 asking for the target's
two PINIO pins to be made available as user-assignable boxes.

Changes

• src/main/drivers/flash_m25p16.c — corrects the label on the existing
  0x856018 JEDEC ID entry (was mislabeled "PY25Q128HA", now "PY25Q128H")
  and adds the actual PY25Q128HA entry (0x852018) used by this target's
  flash chip. (From SOLOGOODF722 target #11394.)
• src/main/target/SOLOGOODF722/{CMakeLists.txt,target.c,target.h} — new
  hardware target. (From SOLOGOODF722 target #11394.)
• src/main/target/SOLOGOODF722/config.c — new. Implements
  targetConfiguration() to assign the target's two PINIO pins to
  BOX_PERMANENT_ID_USER1/USER2, matching the pattern used by other
  targets (e.g. AOCODARCH7DUAL).

Testing

• Built the SOLOGOODF722 target successfully (RelWithDebInfo): no compiler
  or linker errors/warnings. Flash usage ~467KB, RAM ~129KB, no overflow.
• Verified config.c's pinioBoxConfigMutable() and
  BOX_PERMANENT_ID_USER1/2 resolve correctly via io/piniobox.h and
  fc/fc_msp_box.h.
• Verified all motor/LED timer channels in target.c map to distinct
  DMA controller/stream pairs (no DMA contention), including the
  dmaopt=1 override needed to avoid a DMA2 Stream6 collision between
  TIM1_CH1 and TIM1_CH2.

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[github-actions]

Test firmware build ready — commit 2197875

Download firmware for PR #11689

242 targets built. Find your board's .hex file by name on that page (e.g. MATEKF405SE.hex). Files are individually downloadable — no GitHub login required.

Development build for testing only. Use Full Chip Erase when flashing.