arm/dt: msm8226: add BMS support for MTPs and FLUIDs

Add support for the Battery Management System driver in MTPs and
FLUIDs by enabling the status of the BMS node.

The BMS will report the state of charge of the battery.

Change-Id: Iea1d2e7440052ec2a6b894d823f10410956d3b32
Signed-off-by: Xiaozhe Shi <xiaozhes@codeaurora.org>