skeleton-rev.bbclass: bump version

Change-Id: I701bebd5622f63d916599df4799e146250ad250d
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/skeleton-rev.bbclass b/classes/skeleton-rev.bbclass
index fe134ad..0e5c4cc 100644
--- a/classes/skeleton-rev.bbclass
+++ b/classes/skeleton-rev.bbclass
@@ -1,2 +1,2 @@
-SRCREV ?= "c2ef4fcfd1b868e9be04ed8acf76cf05d3cfecd8"
+SRCREV ?= "3a3ac92f78786562e6b13d6919c64c0ff132bc99"
 SKELETON_URI ?= "git://github.com/openbmc/skeleton"