ARM: dts: msm: add TPS65132 regulator device node for MSM8916 QRD SKUH

A TPS65132 chip outputs positive and negative supply voltages for the
LCD panel driver on MSM8916 QRD SKUH boards. Add a device node for this
chip.

Change-Id: Ie1deed844964b736c088130e1591037d47deb24f
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>