klte-common: remove S-Pen permissions since we don't support it

Change-Id: Ifedad7e0030b60ac369ddcd18cfc9d91d7428d12
klte-common: additional gpio-keys permissions

Change-Id: I4655fae1efd49c2763da795ee284c6dc1e8eedf5
klte-common: allow volume buttons to be wakeup keys

Change-Id: I827a67b6aaf8f19c898ab0678eb7913542dfad25