Version check mbedtls instead of introducing a new define

Author: teejusb

ixwebsocket/IXSocketMbedTLS.cpp

@@ -50,9 +50,10 @@ namespace ix
         // Initialize the PSA Crypto API if requested.
         // This allows the X.509/TLS libraries to use PSA for crypto operations.
         // See: https://github.com/Mbed-TLS/mbedtls/blob/development/docs/use-psa-crypto.md
-        #if defined(IXWEBSOCKET_MBEDTLS_USE_PSA_CRYPTO)
-        psa_crypto_init();
-        #endif
+        if (MBEDTLS_VERSION_MAJOR >= 3 && MBEDTLS_VERSION_MINOR >= 6 && MBEDTLS_VERSION_PATCH >= 0)
+        {
+            psa_crypto_init();
+        }
     }
 
     bool SocketMbedTLS::loadSystemCertificates(std::string& errorMsg)