reviewers: add Rob H for the Android EGL+build parts

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
diff --git a/REVIEWERS b/REVIEWERS
index 09853d6..6bd1676 100644
--- a/REVIEWERS
+++ b/REVIEWERS
@@ -92,11 +92,13 @@
 
 ANDROID BUILD
 R: Emil Velikov <emil.l.velikov@gmail.com>
+R: Rob Herring <robh@kernel.org>
 F: CleanSpec.mk
 F: */Android.*mk
 F: */Makefile.sources
 
 ANDROID EGL SUPPORT
+R: Rob Herring <robh@kernel.org>
 R: Tomasz Figa <tfiga@chromium.org>
 F: src/egl/drivers/dri2/platform_android.c