[media] s5p-jpeg: Use mem-to-mem ioctl helpers

Simplify the driver by using the m2m ioctl and vb2 helpers.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --cc drivers/media/platform/s5p-jpeg/jpeg-core.c
Simple merge

diff --cc drivers/media/platform/s5p-jpeg/jpeg-core.h
Simple merge