* S32K add support for Nxp drone boards
* Update arch/arm/src/s32k1xx/hardware/s32k1xx_rtc.h codestyle
Co-Authored-By: David Sidrane <David.Sidrane@Nscdg.com>
Co-authored-by: Jari van Ewijk <jari.vanewijk@nxp.com>
Co-authored-by: David Sidrane <David.Sidrane@Nscdg.com>
* Simplify EINTR/ECANCEL error handling
1. Add semaphore uninterruptible wait function
2 .Replace semaphore wait loop with a single uninterruptible wait
3. Replace all sem_xxx to nxsem_xxx
* Unify the void cast usage
1. Remove void cast for function because many place ignore the returned value witout cast
2. Replace void cast for variable with UNUSED macro
arch/arm/src/s32k1xx/s32k1xx_clockconfig.c: Finishes the implementation of the core clock configuration logic.
arch/arm/src/s32k1xx/hardware/s32k1xx_smc.h: Add SMC register definition header file.
arch/arm/src/s32k1xx: Bring in GPIO logic from Kinetis. Looks like the same IP.