Make PSA crypto mandatory for TLS 1.3

As we want to move to PSA for cryptographic operations
let's mandate PSA crypto from the start.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 84afcf0..ded871f 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -598,8 +598,10 @@
 #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL) && ( !defined(MBEDTLS_HKDF_C) && \
-    !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL) && \
+    ( ( !defined(MBEDTLS_HKDF_C) && !defined(MBEDTLS_SHA256_C) && \
+        !defined(MBEDTLS_SHA512_C) ) \
+      || ( !defined(MBEDTLS_PSA_CRYPTO_C) ) )
 #error "MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL defined, but not all prerequisites"
 #endif