dontdiff: add utsrelease.h

Add auto-generated utsrelease.h to dontdiff file.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/Documentation/dontdiff b/Documentation/dontdiff
index 24adfe9..63c2d0c 100644
--- a/Documentation/dontdiff
+++ b/Documentation/dontdiff
@@ -135,6 +135,7 @@
 times.h*
 tkparse
 trix_boot.h
+utsrelease.h*
 version.h*
 vmlinux
 vmlinux-*