ARM: dts: msm: delete pmic info from dts file for msm8937 QRD sku1 and sku2

The pmic info should be added in dtsi file, so delete the pmic
info from dts file.

Change-Id: I79f6fa88abec25ce6f096c475359ebd8158c7401
Signed-off-by: Lijuan Gao <lijuang@codeaurora.org>