skeleton-rev.bbclass: bump version

Change-Id: Ie97d6c5610eddc15baffc2404e5944c6d53b9777
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/classes/skeleton-rev.bbclass b/classes/skeleton-rev.bbclass
index e578364..d7ed4bf 100644
--- a/classes/skeleton-rev.bbclass
+++ b/classes/skeleton-rev.bbclass
@@ -1,2 +1,2 @@
-SRCREV ?= "1acfd753dc9eba1fdb46f8c3ddf4121b578da8c8"
+SRCREV ?= "9d572eb36fbf9a1877502fe47db2313a6ac3ab0c"
 SKELETON_URI ?= "git://github.com/openbmc/skeleton"