wifi: rtw89: uninitialized variable on error in rtw89_early_fw_feature_recognize()

If request_partial_firmware_into_buf() fails then "firmware" is not
initialized and the release_firmware(firmware) will crash.

Fixes: deebea35 ("wifi: rtw89: early recognize FW feature to decide if chanctx")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/YyMzDtX/3fUBnonC@kili

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

@@ -271,7 +271,7 @@ void rtw89_early_fw_feature_recognize(struct device *device,
 						device, &buf, sizeof(buf), 0);
 	if (ret) {
 		dev_err(device, "failed to early request firmware: %d\n", ret);
-		goto out;
+		return;
 	}
 
 	ver_code = buf.mfw_hdr.sig != RTW89_MFW_SIG ?