drivers: pwm: stm32: use Kconfig to select HAL/LL sources
drivers: pwm: stm32: use Kconfig to select HAL/LL sources

Use "select USE_STM32_HAL_TIM" to select the needed STM32 HAL files,
instead of editing ext/hal/st/stm32cube/CMakeLists.txt

Signed-off-by: Erwin Rol <0c2a6e12a3ee3123563f88831cd6d692c33fb195@erwinrol.com>

kraj/zephyr,galak/zephyr,explora26/zephyr,GiulianoFranchetto/zephyr,kraj/zephyr,finikorg/zephyr,ldts/zephyr,Vudentz/zephyr,punitvara/zephyr,nashif/zephyr,galak/zephyr,explora26/zephyr,ldts/zephyr,nashif/zephyr,zephyriot/zephyr,kraj/zephyr,explora26/zephyr,zephyriot/zephyr,Vudentz/zephyr,galak/zephyr,mbolivar/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,ldts/zephyr,mbolivar/zephyr,finikorg/zephyr,finikorg/zephyr,zephyriot/zephyr,Vudentz/zephyr,mbolivar/zephyr,ldts/zephyr,zephyriot/zephyr,punitvara/zephyr,zephyrproject-rtos/zephyr,Vudentz/zephyr,zephyriot/zephyr,kraj/zephyr,GiulianoFranchetto/zephyr,GiulianoFranchetto/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,zephyrproject-rtos/zephyr,mbolivar/zephyr,punitvara/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,punitvara/zephyr,nashif/zephyr,zephyrproject-rtos/zephyr,mbolivar/zephyr,explora26/zephyr,ldts/zephyr,galak/zephyr,kraj/zephyr,explora26/zephyr,nashif/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr