fake:

package/base/udev/udev.conf

@@ -40,8 +40,10 @@ udev_pm() {
 	touch $root/lib/udev/devices/{pts,shm,bus/usb}/.empty
 
 	cp -v $confdir/rules/* $root/etc/udev/rules.d/
-	cp -v $confdir/scripts/*.sh $root/lib/udev/
-	chmod +x $root/lib/udev/*.sh
+	cp -v $confdir/scripts/*.sh $confdir/scripts/modalias_* $root/lib/udev/
+	chmod +x $root/lib/udev/*.sh $root/lib/udev/modalias_*
+
+	mkdir -p $root/lib/firmware
 }
 
 udev_prem() {