ARM: dts: msm: add pinctrl for codec pdm lines

Add device tree entry for PDM clock gpios
Pinctrl pdm clocks needed to communicate between
Digital and analog codec die.

Change-Id: I97b706bdf1426d5eab91f54b08611e36c2243681
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>