Revert "fix volume keys"

This reverts commit 8e59050bd1ec127a3b70c54693ebe059912ae31e.
msm_rq_stats: sync with CAF and added ignore_nice and io_is_busy options
no access time for all mounts
msm: rpm-smd: Configure WQ for higer priority Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>
Update MSM BUS
mc power savings +2
 Workqueue : Backports from 3.7

Signed-off-by: Tk-Glitch <Ti3noU@gmail.com>