wl18xx: don't upload NVS to FW

In this chip family the NVS file should not be uploaded to FW. In fact,
we encounter strange bugs (sdio errors) when trying to upload it with
certain parameters.
Signed-off-by: NArik Nemtsov <arik@wizery.com>
Signed-off-by: NLuciano Coelho <coelho@ti.com>

drivers/net/wireless/ti/wl18xx/main.c

@@ -755,10 +755,6 @@ static int wl18xx_boot(struct wl1271 *wl)
 	if (ret < 0)
 		goto out;
 
-	ret = wlcore_boot_upload_nvs(wl);
-	if (ret < 0)
-		goto out;
-
 	wl18xx_pre_upload(wl);
 
 	ret = wlcore_boot_upload_firmware(wl);