Currently, the RAM usage is overflowed in Musac_a. Optimize the stack size to minimize the RAM usage.
patches for this issue: https://review.trustedfirmware.org/#/c/trusted-firmware-m/+/1104/ https://review.trustedfirmware.org/#/c/trusted-firmware-m/+/1101/ https://review.trustedfirmware.org/#/c/trusted-firmware-m/+/1103/