cardhu: bluetooh: add bluesleep

fixes errors in logcat:

E/bt_upio ( 3994): upio_set : open(/proc/bluetooth/sleep/btwrite)
for write failed: No such file or directory (2)

Change-Id: Ice2cbedccfc8c62918c9d2af20f226b21df849f2
cardhu: add UHID suppot

Change-Id: I7495e052057965d0824d6fd376026ca9373d2d13
cardhu: hid: build uhid.o

patchset2: match formatting of existing lines

Change-Id: I063ede10012502fb91b3b5572a95e96674883da3