ARM: dts: msm: Turn off GDSC in host mode bus suspend on LITO

Currently driver is not turning off GDSC regulator as part of
LPM entry in host mode bus suspend. There is a requirement to
collapse GDSC as well to allow controller collapse in host mode
bus suspend on LITO.

Change-Id: I04feea89164d9211c06b6ae24462bc746e0e10a9