uhid: backport from 3.4

Change-Id: Ic48f83f4ed405048ff1e08c04768ed0baefe1caf
i777, i9100, n7000: enable uhid

Change-Id: I890bda6f546c4ef00e55065a8baa3f0b19b6423e
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1