ARM: dts: msm: add pinctrl settings for DP GPIOs for msmcobalt

Add active and sleep sets for the DP Aux input lanes, HPD and
the USB-type-C orientation detection GPIO.
These GPIOs are needed to enable display on the DP interface.

Change-Id: I4d743246dfe74a80ecce283b6056baf153e588f9
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>