Updates and bugfixes:
- Added automatic TrustZone domain detection using Dtz and Dsecure tags (use Cortex-M and Cortex-M MPU variants)
- Added MPU support for Cortex v8M without TrustZone or TrustZone Disabled/Secure-only/Secure
- Added default configASSERT implementation to FreeRTOSConfig.h
- Corrected osKernelLock, osKernelUnlock and osKernelRestoreLock to support nested calls
- Corrected Cortex-M35P selection instead of M33 issue when using IAR toolchain
- Updated examples to use CMSIS-Toolbox 2.8.0