i965: Enable several GLES 3.1 extensions on HSW+

The only reason we didn't previously enable this was the dependency on
OpenGL ES 3.1.  These should have been enabled as soon as HSW got
stencil texturing.  We also needed to fixup setting MaxViewports.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
diff --git a/docs/relnotes/13.1.0.html b/docs/relnotes/13.1.0.html
index 124da93..be1ab0d 100644
--- a/docs/relnotes/13.1.0.html
+++ b/docs/relnotes/13.1.0.html
@@ -49,6 +49,9 @@
 <li>GL_NV_image_formats on any driver supporting GL_ARB_shader_image_load_store (i965, nvc0, radeonsi, softpipe)</li>
 <li>GL_ARB_gpu_shader_fp64 in i965/haswell</li>
 <li>Intel Haswell now supports OpenGL 4.0</li>
+<li>GL_OES_geometry_shader on i965/haswell</li>
+<li>GL_OES_texture_cube_map_array on i965/haswell</li>
+<li>GL_OES_viewport_array on i965/haswell</li>
 </ul>
 
 <h2>Bug fixes</h2>