BL1: Use PSA hashing for LMS and LMOTS

In Mbed TLS v3.3.0, it uses PSA hashing for LMS and LMOTS.
Align with it.

Signed-off-by: Summer Qin <summer.qin@arm.com>
Signed-off-by: Raef Coles <raef.coles@arm.com>
Change-Id: Ica9a88c1b8445f4542cd0509dfae09b8b0ddfb76
4 files changed