ARM: dts: msm: Add support to pass phy auto resume offset for SDM845

Phy auto resume register offset may change for every target. Hence
pass register offset value from device tree.

Change-Id: Ic52ab9ee0b16c4f358fd2d69af07fcb6b4ac2c01
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>