pinctrl: qcom: Add support for Khaje SoC pin control

Add support for Khaje pin configuration and control
via pinctrl framework.

Change-Id: I32b3d3e26aa3628f359005a7966a08fb195c38ba
Signed-off-by: Shadab Naseem <snaseem@codeaurora.org>
Signed-off-by: Komal Bajaj <kbajaj@codeaurora.org>