ARM: dts: msm: Add power management DT bindings for sdxpoorwills

Add pm and pdc node to enable low power management modes.

Change-Id: I74f62a164268307b0e88d2fe0d838faf1546312e
Signed-off-by: Archana Sathyakumar <asathyak@codeaurora.org>
3 files changed