ARM: dts: msm: add the pinctrl dtsi nodes for DisplayPort on SDM855

Add the dtsi nodes for the DisplayPort pinctrl configurations for the
USB plug CC GPIOs for SDM845.

Change-Id: I64031175b40d86f1adfb6e4c5faddacd7805a57c
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>