rtw89: fix return value in hfc_pub_cfg_chk

It seems to me when pub_cfg->grp0 + pub_cfg->grp1 != pub_cfg->pub_max is true,
it should return -EFAULT rather than 0.  Otherwise, the function doesn't need
to exist.
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/YXEJey8lKksAZif4@ns.kevlo.org

drivers/net/wireless/realtek/rtw89/mac.c

@@ -560,7 +560,7 @@ static int hfc_pub_cfg_chk(struct rtw89_dev *rtwdev)
 	const struct rtw89_hfc_pub_cfg *pub_cfg = &param->pub_cfg;
 
 	if (pub_cfg->grp0 + pub_cfg->grp1 != pub_cfg->pub_max)
-		return 0;
+		return -EFAULT;
 
 	return 0;
 }