[media] s5p-jpeg: Adjust jpeg_bound_align_image to Exynos3250 needs

The jpeg_bound_align_image function needs to know the context
in which it is called, as it needs to align image dimensions in
a slight different manner for Exynos3250, which crops pixels for
specific values in case the format is RGB.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>