misc: qpnp-misc: Add a snapshot of QPNP MISC driver

This is the snapshot of QPNP MISC driver taken as of msm-4.9 commit
463d8c28b7c3 ("Merge "pinctrl: msm: Add pinctrl driver support for
msm8909"").

Change-Id: Ibf21355bfa5f959de19b4a028ff3812511573442
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>