eeepc-laptop: allow rfkill hotplug to work on the 900A model

The 900A provides hotplug notifications on a different ACPI object to
other models.

Reported-by: Trevor <trevor.chart@gmail.com>
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/platform/x86/eeepc-laptop.c

@@ -981,6 +981,7 @@ static void eeepc_backlight_exit(void)
 
 static void eeepc_rfkill_exit(void)
 {
+	eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P5");
 	eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6");
 	eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7");
 	if (ehotk->wlan_rfkill) {
@@ -1101,6 +1102,7 @@ static int eeepc_rfkill_init(struct device *dev)
 	if (result == -EBUSY)
 		result = 0;
 
+	eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P5");
 	eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6");
 	eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7");
 	/*