[TF-M] Unaligned flash read/write is supported in Boot & FWU

Hi,

The following patch enables the flash read/write with unaligned address/cnt for MCUboot and Firmware Update partition.

https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/10947

This patch has been merged and thanks to all who have reviewed on this patch.

As this patch can impact the MCUboot booting up on the platforms, if there is any booting up issue on your platform after this commit, do not hesitate to feedback to me. 😊

Thanks,

Regards, Sherry Zhang