[media] media: v4l2-image-sizes.h: add SVGA, XGA and UXGA size definitions

Add SVGA, UXGA and XGA size definitions to v4l2-image-sizes.h.
The definitions are sorted by alphabet order.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>