skeleton-rev.bbclass: bump version

Change-Id: Ibc41035151618f6a38505093779ed82f7e165733
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/skeleton-rev.bbclass b/classes/skeleton-rev.bbclass
index a320cb6..fee0db9 100644
--- a/classes/skeleton-rev.bbclass
+++ b/classes/skeleton-rev.bbclass
@@ -1,2 +1,2 @@
-SRCREV ?= "aab61990a8eda4c5343e92999d461993f0840213"
+SRCREV ?= "dfda936510a56421370267ef5fc54b10b739c67c"
 SKELETON_URI ?= "git://github.com/openbmc/skeleton"