ARM: dts: msm: Add LMH QREF regulator voting for SDMSHRIKE

LMH requires the QREF regulators for its current sensors. Adding this
configuration will make the LMH driver to place a active only vote on
the QREF regulator in SDMSHRIKE.

Change-Id: I4b2bfac064fb3dfbcc9532a7343b337b9fa57d3a
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>