v10.3.0

FreeRTOS 10.2.1

Maintenance for CMSIS 5.4.0:
 - Added osMemoryPool functions using FreeRTOS
 - Corrected osEventFlagsWait flag comparison when using osFlagsWaitAll
 - Corrected osThreadGetStackSpace return value (bytes instead of words)
 - Removed Cortex-A examples (available in device specific packs)