power: pm8921-charger: Add feature to use charger LED

Add a mechanism to configure the power source of
the charger indicator LED anode on the PM8921.
The configuration is specified using platform data.

Change-Id: I9a436f634ddfd5d1822f1fc8beab4936fa8bb61d
Signed-off-by: Jay Chokshi <jchokshi@codeaurora.org>
2 files changed