[media] s5p-mfc: Remove unused alloc field from private buffer struct
[media] s5p-mfc: Remove unused alloc field from private buffer struct

This field is no longer used as MFC driver doesn't use vb2 alloc contexts
anymore.

Signed-off-by: Pawel Osciak <aa548d69ba30e55e846e63696fa33cc8f1213310@chromium.org>
Signed-off-by: Kiran AVND <b4867c8938a2ca9156c8062629041fc13b6b7857@samsung.com>
Signed-off-by: Arun Kumar K <1178d5c4f25e2eee977127a861292da1c3e32ff6@samsung.com>
Signed-off-by: Kamil Debski <c76391f0c6ca952c7a383ba141fbed195fa466af@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@osg.samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs