skeleton-rev.bbclass: bump version

Change-Id: I227fcbcb439e906d50b7cc643f8e26cc70c85389
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/skeleton-rev.bbclass b/classes/skeleton-rev.bbclass
index a829751..9d400c8 100644
--- a/classes/skeleton-rev.bbclass
+++ b/classes/skeleton-rev.bbclass
@@ -1,2 +1,2 @@
-SRCREV ?= "2f3213f9e0ede2f9a58bf2e912d5205300ce4bb2"
+SRCREV ?= "2c77baa0578bc7c7690f802549200e81c2cc918a"
 SKELETON_URI ?= "git://github.com/openbmc/skeleton"