Add an option to force IDF's default UART clock source #3827

Job	Run time
Generate matrix	3s
Push event file	2s
Build (validation, esp32c3) / Build validation tests for esp32c3	2m 38s
Build (validation, esp32) / Build validation tests for esp32	2m 38s
Build (validation, esp32c6) / Build validation tests for esp32c6	2m 38s
Build (validation, esp32h2) / Build validation tests for esp32h2	2m 39s
Build (validation, esp32p4) / Build validation tests for esp32p4	2m 37s
Build (validation, esp32s2) / Build validation tests for esp32s2	2m 38s
Build (validation, esp32s3) / Build validation tests for esp32s3	2m 37s
Hardware	1s
QEMU	1s
	18m 32s

Provide feedback