hp_wmi: Fix unregister order in hp_wmi_rfkill_setup()

Register order is:
			wifi
			bluetooth
			wwan
			gps

So unregister order must be:
			gps
			wwan
			bluetiith
			wifi

But currently gps and wwan are swapped. Fix that.
Also fix goto links.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>