[TF-M] Re: Use original CMSIS files

Hi All,

The review is open for the "use-original-CMSIS-headers" change chain, all the platforms are updated, please check! https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/16355

The additionally changes since the last update: - most of the ASM startup files have been rewritten to C startup files, and aligned with CMSIS 5.9.0 - Aligned every region to (at least) 4bytes boundaries in the GNU linker scripts, which is referenced in the copy or zero table section. - MSP stack sealing have been aligned with CMSIS, done at reset handler only once. Every msp stack sealing in the secure_fw has changed to a sealing check/assert.

Best regards, Dávid Házi