skeleton-rev.bbclass: bump version

Change-Id: I8a9f366266cfa0ef4243100861d929c7cba127d6
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/skeleton-rev.bbclass b/classes/skeleton-rev.bbclass
index 9677741..af3527a 100644
--- a/classes/skeleton-rev.bbclass
+++ b/classes/skeleton-rev.bbclass
@@ -1,2 +1,2 @@
-SRCREV ?= "3be0995bd46698b3616588f07c6ffe779f88a535"
+SRCREV ?= "a42400f24f94a69ef9effd3961b277ac52734652"
 SKELETON_URI ?= "git://github.com/openbmc/skeleton"