Adding pinctrl bindings to support vm on Kalama.
This is snapshot of bindings from 'commit 53311cb5fada
("Merge "ARM: dts: msm: Remove Waipio GenC GPU strings"")'
from device tree project msm-5.10 branch.
Change-Id: Ifa51cd9cab904d52fadef418881d79d78d1c07b1