ARM: dts: msm: Add battery profile for QVR845 device

QVR845 device is using MLP446579 battery so add its profile to make sure
FG can load it and calculate the right SoC for the battery.

Change-Id: I7356423882fe1a88dcf0d79f9ef7d4460e34ab5f
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>