ARM: dts: msm: EP phy sequence update for sdxpoorwills v2

Update EP PCIE phy sequence to v1.12 based on hardware recommendation
for sdx24 v2 devices.

Change-Id: I548999112589fd268a848bee5d485676163c38d5
Signed-off-by: Siva Kumar Akkireddi <sivaa@codeaurora.org>