ARM: dts: msm: Add PIL support for msmgold

Add support for mss, wcnss, venus and pronto PIL. This facilitates the
loading of firmware images, authentication and bringing it out of reset.
Also adds IMEM pil entry and support for inrush current driver for
feerolite.

Change-Id: Ieda1140b5807f7cea73c7692d907bd23b0eebb91
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>