docs: mention/suggest testing your patch against dEQP

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
diff --git a/docs/devinfo.html b/docs/devinfo.html
index c75fa8e..58025e6 100644
--- a/docs/devinfo.html
+++ b/docs/devinfo.html
@@ -250,8 +250,9 @@
 
 <p>
 Whenever possible and applicable, test the patch with
-<a href="http://piglit.freedesktop.org">Piglit</a> to
-check for regressions.
+<a href="http://piglit.freedesktop.org">Piglit</a> and/or
+<a href="https://android.googlesource.com/platform/external/deqp/">dEQP</a>
+to check for regressions.
 </p>