rtw88: wow: print key type when failing

It's much easier to spot what went wrong when you print out the
unhandled key type.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201112181432.2958021-1-briannorris@chromium.org

drivers/net/wireless/realtek/rtw88/wow.c

@@ -332,7 +332,8 @@ static void rtw_wow_fw_security_type_iter(struct ieee80211_hw *hw,
 		key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
 		break;
 	default:
-		rtw_err(rtwdev, "Unsupported key type for wowlan mode\n");
+		rtw_err(rtwdev, "Unsupported key type for wowlan mode: %#x\n",
+			key->cipher);
 		hw_key_type = 0;
 		break;
 	}