bcmdhd: Adjust default hostwake/reset GPIOs to match the galbis

Change-Id: I84c3d71dde9fdea45652b24a65523d9947cdd25d
bluesleep: Don't wait for uart tx queue to flush before entering standby

There's no need to delay sleep for this. msm_hs_serial will do it on
its own, and this reduces the time to enter lpm

Change-Id: Ia13d44148130aaf133ea888807b5ba114936ce78