remove default sig_hashes
remove default sig_hashes

And add pss_rsae_* sig_algs to fix
`Handshake TLS 1.3` test fails, which
is part of `test_suite_ssl`

Signed-off-by: Jerry Yu <c6cd1413a9492a82cc7fe506fb3a273f7dc9927d@arm.com>

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