Code review feedback.

Author: kareem-wolfssl

wolfcrypt/src/wc_pkcs11.c

@@ -6304,6 +6304,7 @@ static int Pkcs11GetCert(Pkcs11Session* session, wc_CryptoInfo* info) {
  * @param  [in]  info   Cryptographic operation data.
  * @param  [in]  ctx    Context data for device - the token object.
  * @return  WC_HW_E when a PKCS#11 library call fails.
+ * @return  NOT_COMPILED_IN when an unsupported operation is requested.
  * @return  0 on success.
  */
 int wc_Pkcs11_CryptoDevCb(int devId, wc_CryptoInfo* info, void* ctx)