BACKPORT: media: vp8: Rename V4L2 VP8 specific macro to V4L2_VP8_

Before we move the VP8 controls to a stable public header,
rename this macro so it's clearly V4L2-specific.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

(cherry picked from commit 0c86b4bdac7eb3a6c17aa5225a7bc708047bac6a)

Conflicts:
   drivers/staging/media/sunxi/cedrus/cedrus_vp8.c

[ChenYu: Dropped cedrus changes; also fix up mtk-vcodec driver]

BUG=b:198118193
TEST=build for asurada

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Change-Id: I720c0d83559d39154e2411a4bb229af3da456458
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/3205497
Reviewed-by: Tzung-Bi Shih <tzungbi@chromium.org>
(cherry picked from commit 32110b64d795dc71dff57edc11e50a9c828a40c7)

Conflicts:
   drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_req_if.c

[ChenYu: Dropped changes to Mediatek driver]

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Change-Id: I720c0d83559d39154e2411a4bb229af3da456458
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/3246898
Reviewed-by: Tzung-Bi Shih <tzungbi@chromium.org>
3 files changed