defconfig: msm8909: Enable video driver

Enable compilation of video driver for msm8909.
Also select VIDEOBUF2_CORE when VIDC driver is
enabled as video driver needs videobuf2 framework.

Change-Id: I6c022419ce469d89e0da1dbe302f9e764ed077fd
Signed-off-by: Sachin Shah <sachins@codeaurora.org>