towake: remove un-needed variable in doubletap2wake_func

Change-Id: I5616d37d90dd9a76d7b89beac7af2e48c93ccc2e
Signed-off-by: Vineeth Raj <contact.twn@opmbx.org>
drivers/tty: Add back htc related stuff

Add back files drivers/tty/serial/msm_serial_hs_brcm.c
&& drivers/tty/serial/msm_serial_hs_ti_dc.c which fixes
bluetooth and add back some of the CONFIG_MSM_SMD0_WQ
HTC hax.

Change-Id: I47b3a65f6e2148411661aeac68ba42df3b5cf8e7