jpegparse: Add YUV440 sampling support.
Found some samples with this sampling, so in order to support it, JPEG2000 header cannot be used anymore, a this patch also adds the enums for each supported colorspace and sampling, avoiding hacks.
Found some samples with this sampling, so in order to support it, JPEG2000 header cannot be used anymore, a this patch also adds the enums for each supported colorspace and sampling, avoiding hacks.