ARM: dts: msm: enable linear charger in dragon board

Enable linear charger, vm-bms drivers and add extcon support
in usb_otg node for apq8009 based dragon board.

Change-Id: I141580802ad57b242045cc2d196eb19404045400
Signed-off-by: Arulpandiyan Vadivel <avadiv@codeaurora.org>
Signed-off-by: Sundara Vinayagam <sundvi@codeaurora.org>