Adjust hash dependencies in `test_suite_ecdsa`
Adjust hash dependencies in `test_suite_ecdsa`

Only deterministic tests require SHA256 now.
Signed-off-by: Andrzej Kurek <f4c472ffe6ee3dcd17a8925cef48ace45ab528e9@arm.com>

Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls