fix various issues

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 6786632..a79869f 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -1980,7 +1980,6 @@
 
     switch( sig_alg )
     {
-#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
 #if defined(MBEDTLS_SHA256_C)
         case MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256:
             *md_alg = MBEDTLS_MD_SHA256;
@@ -1999,7 +1998,6 @@
             *pk_type = MBEDTLS_PK_RSASSA_PSS;
             break;
 #endif /* MBEDTLS_SHA512_C */
-#endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */
 
             default:
                 return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
@@ -2008,7 +2006,7 @@
 }
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-static inline int mbedtls_ssl_tls13_sig_alg_is_supported_for_certificate(
+static inline int mbedtls_ssl_tls13_sig_alg_for_cert_verify_is_supported(
                                                     const uint16_t sig_alg )
 {
     switch( sig_alg )
@@ -2069,7 +2067,7 @@
 #endif /* MBEDTLS_SHA512_C */
 #endif /* MBEDTLS_PKCS1_V15 && MBEDTLS_RSA_C */
         default:
-            return( mbedtls_ssl_tls13_sig_alg_is_supported_for_certificate(
+            return( mbedtls_ssl_tls13_sig_alg_for_cert_verify_is_supported(
                                                                     sig_alg ) );
     }
     return( 1 );