REVIEWERS: add autogen.sh to the autoconf group

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Acked-by: Emil Velikov <emil.l.velikov@gmail.com>
diff --git a/REVIEWERS b/REVIEWERS
index 40db33f..0b5d9a4 100644
--- a/REVIEWERS
+++ b/REVIEWERS
@@ -85,6 +85,7 @@
 
 AUTOCONF BUILD
 R: Emil Velikov <emil.l.velikov@gmail.com>
+F: autogen.sh
 F: configure.ac
 F: */Automake.inc
 F: */Makefile.*am