* xlat/v4l2_colorspaces.in: Add #value_indexed.
(V4L2_COLORSPACE_DEFAULT): New constant introduced by Linux commit
v4.2-rc1~107^2~184.
(V4L2_COLORSPACE_ADOBERGB): Rename to V4L2_COLORSPACE_OPRGB, per Linux
commit v4.20-rc1~69^2~122.
(V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_SMPTE240M,
V4L2_COLORSPACE_REC709, V4L2_COLORSPACE_BT878,
V4L2_COLORSPACE_470_SYSTEM_M, V4L2_COLORSPACE_470_SYSTEM_BG,
V4L2_COLORSPACE_JPEG, V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_OPRGB,
V4L2_COLORSPACE_BT2020, V4L2_COLORSPACE_RAW, V4L2_COLORSPACE_DCI_P3):
Add fallback definitions.
-V4L2_COLORSPACE_SMPTE170M
-V4L2_COLORSPACE_SMPTE240M
-V4L2_COLORSPACE_REC709
-V4L2_COLORSPACE_BT878
-V4L2_COLORSPACE_470_SYSTEM_M
-V4L2_COLORSPACE_470_SYSTEM_BG
-V4L2_COLORSPACE_JPEG
-V4L2_COLORSPACE_SRGB
-V4L2_COLORSPACE_ADOBERGB
-V4L2_COLORSPACE_BT2020
-V4L2_COLORSPACE_RAW
-V4L2_COLORSPACE_DCI_P3
+#value_indexed
+V4L2_COLORSPACE_DEFAULT 0
+V4L2_COLORSPACE_SMPTE170M 1
+V4L2_COLORSPACE_SMPTE240M 2
+V4L2_COLORSPACE_REC709 3
+V4L2_COLORSPACE_BT878 4
+V4L2_COLORSPACE_470_SYSTEM_M 5
+V4L2_COLORSPACE_470_SYSTEM_BG 6
+V4L2_COLORSPACE_JPEG 7
+V4L2_COLORSPACE_SRGB 8
+V4L2_COLORSPACE_OPRGB 9
+V4L2_COLORSPACE_BT2020 10
+V4L2_COLORSPACE_RAW 11
+V4L2_COLORSPACE_DCI_P3 12