Revert "Revert "underp bluetooth""

This reverts commit 4297ad69f1820df330ff701bb43994366ed6ec67.

Signed-off-by: Evan McClain <aeroevan@gmail.com>

Conflicts:
	drivers/tty/serial/msm_serial_hs.c

Change-Id: I0cb5d07b7e9556502813689040f937c6f218d8ec