ARM: dts: msm: Program the SOC disable threshold for PMI632

Program the SOC based disable threshold to disable the flash
if the battery SOC is less than the disable threshold value.
This is to avoid effecting the other critical PMIC features
at low battery SOC.

Change-Id: Ibc4beff74dbbe0b7fedc9043eadcc8fe9411cb74
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>