Rebased on 74217ee and add fixes

Signed-off-by: Xiaofei Bai <xiaofei.bai@arm.com>
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index d749d7d..86d984f 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -375,7 +375,7 @@
             sig_alg = MBEDTLS_PK_ECDSA;
             break;
 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
-        case MBEDTLS_TLS13_SIG_RSA_PSS_RSAE_SHA256:
+        case MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256:
             MBEDTLS_SSL_DEBUG_MSG( 4, ( "Certificate Verify: using RSA PSS" ) );
             md_alg = MBEDTLS_MD_SHA256;
             sig_alg = MBEDTLS_PK_RSASSA_PSS;