Re-added WOLFSSL_SHA512 when building SHA384

Author: danielinux

include/user_settings.h

@@ -267,6 +267,9 @@ extern int tolower(int c);
     !defined(WOLFCRYPT_SECURE_MODE)
 #       define NO_SHA256
 #   endif
+#ifndef WOLFSSL_SHA512
+#define WOLFSSL_SHA512
+#endif
 #endif
 
 /* If SP math is enabled determine word size */