[media] videodev2.h: add SMPTE 2084 transfer function define
[media] videodev2.h: add SMPTE 2084 transfer function define

CEA-861.3 adds support for the SMPTE 2084 Electro-Optical Transfer Function
as can be used in HDR displays. Add a define for this in videodev2.h.

Signed-off-by: Hans Verkuil <3a513708f73c27e7d36ebc496aa41dad6a3153ea@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@osg.samsung.com>

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