doc: Update documentations for CMSIS 5.8.0
doc: Update documentations for CMSIS 5.8.0

This commit updates the documentations for CMSIS 5.8.0.

Signed-off-by: Stephanos Ioannidis <dc76e9f0c0006e8f919e0c515c66dbba3982f785@stephanos.io>

zephyrproject-rtos/cmsis