skeleton-rev.bbclass: bump version

Change-Id: I232a1a9677be5b05fc2fef27b9a4706067bc79b5
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/skeleton-rev.bbclass b/classes/skeleton-rev.bbclass
index cecd803..2d7bf90 100644
--- a/classes/skeleton-rev.bbclass
+++ b/classes/skeleton-rev.bbclass
@@ -1,2 +1,2 @@
-SRCREV ?= "f9deaa0f2ee0ef2abc0610aa41397d7b47defd3a"
+SRCREV ?= "12a26d27e75d4cb96291f9fa4bea44cf7900bf58"
 SKELETON_URI ?= "git://github.com/openbmc/skeleton"