i965: enable ARB_ES3_2_compatibility on gen8+

Note that ASTC support is not actually mandated for this extension to be
exposed.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
diff --git a/docs/relnotes/12.1.0.html b/docs/relnotes/12.1.0.html
index fdf3592..8e0a84e 100644
--- a/docs/relnotes/12.1.0.html
+++ b/docs/relnotes/12.1.0.html
@@ -46,6 +46,7 @@
 <ul>
 <li>OpenGL ES 3.1 on i965/hsw</li>
 <li>GL_ARB_ES3_1_compatibility on i965</li>
+<li>GL_ARB_ES3_2_compatibility on i965/gen8+</li>
 <li>GL_ARB_clear_texture on r600, radeonsi</li>
 <li>GL_ARB_cull_distance on radeonsi</li>
 <li>GL_ARB_enhanced_layouts on i965</li>