Crypto: Enforce MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS on Mbed TLS config

The TF-M Crypto service is configured by default not to enable the
memory mapped IOVEC, hence keep the MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS
on to avoid unnecessary copying of parameters back and forth.

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: Ia267cad1a248b29d96efdf5f5acfcf92b743de97
4 files changed