ARM: dts: msm: Add led control for battery charging for msm8226 QRD

Set the default-trigger device tree property value of red
led with "battery-charging", and set that of green led with
"battery-full". So red led will be on when battery charging,
and green led will be on when charging done.

CRs-Fixed: 495414
Change-Id: Ie744ea5adba62ed2db10d9644b2ff38ea9f414a7
Signed-off-by: Wu Fenglin <fenglinw@codeaurora.org>