tree 181c058b32e506dfe0086df38c4a4408becc64cb
parent ad26c7677639c197aae097fb17aa4b3e76e7b8d4
author lijuang <lijuang@codeaurora.org> 1444386663 +0800
committer lijuang <lijuang@codeaurora.org> 1445238584 +0800

app: aboot: update battery voltage value timely for getvar command

The buf which store the battery voltage is not a latest value. So
update the value before read it.

Change-Id: If2f233786d4ddcafeeba144c3d75c80c9d9f76bd