Properly annotate <li> and keep the note analogous to all the previous
ones - OpenVG, st/egl, etc.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
All of these have had support for the TGSI opcodes since before most of
the glsl compiler work landed.
Also update the docs accordingly, including the missing note about i965.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>