KL82Z: Fix clock selection for PWMOUT driver

[mmahadevan108]

This was verified using the ci-test shield

Signed-off-by: Mahesh Mahadevan mahesh.mahadevan@nxp.com

Description

The PWM out clock selection was incorrect which resulted in incorrect PWM frequency. This was verified via the ci-test-shield

[X] Fix
[ ] Refactor
[ ] New target
[ ] Feature
[ ] Breaking change

[mmahadevan108]

cc @maclobdell @cmonr @0xc0170

[0xc0170]

/morph build

[mbed-ci]

Build : SUCCESS

Build number : 1887
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/6785/

Triggering tests

/morph test
/morph uvisor-test
/morph export-build
/morph mbed2-build

[mbed-ci]

Exporter Build : SUCCESS

Build number : 1535
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/6785/

[mbed-ci]

Test : FAILURE

Build number : 1704
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/6785/1704

[0xc0170]

/morph test

[mbed-ci]

Test : SUCCESS

Build number : 1709
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/6785/1709