arm64: defconfig: Enable media and UVC drivers on Lahaina

Media and USB Video Class drivers are needed to get USB video
devices functional in USB host mode. Hence enable media and USB
video class drivers on Lahaina.

Change-Id: I70ccc146b55a564b4408496a54b044d52cbf9e41
Signed-off-by: Mayank Rana <mrana@codeaurora.org>