docs: Mark GLSL 1.50, 3.30, and geometry shaders done for i965.

docs: Mark GLSL 1.50, 3.30, and geometry shaders done for i965.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>