[TF-M] FPU flags for mbedTLS targets

Hi,

/secure_fw/partitions/crypto/CMakeLists.txt is missing passing compiler flags to mbedTLS targets which would be needed for correct FPU flags. I believe the highlighted code would be the fix:

target_compile_options(${MBEDTLS_TARGET_PREFIX}mbedcrypto PRIVATE ${COMPILER_CP_FLAG} $<$<C_COMPILER_ID:GNU>:-Wno-unused-const-variable> $<$<C_COMPILER_ID:GNU>:-Wno-unused-parameter> $<$<C_COMPILER_ID:ARMClang>:-Wno-unused-const-variable> $<$<C_COMPILER_ID:ARMClang>:-Wno-unused-parameter> )

target_compile_options(${MBEDTLS_TARGET_PREFIX}p256m PRIVATE ${COMPILER_CP_FLAG} )

Regards,

Brian Quach SimpleLink MCU Texas Instruments Inc. 12500 TI Blvd, MS F-4000 Dallas, TX 75243 214-479-4076