Yocto 2.4

Move OpenBMC to Yocto 2.4(rocko)

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I12057b18610d6fb0e6903c60213690301e9b0c67
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/import-layers/yocto-poky/meta/classes/kernel-module-split.bbclass b/import-layers/yocto-poky/meta/classes/kernel-module-split.bbclass
index 5e10dcf..1035525 100644
--- a/import-layers/yocto-poky/meta/classes/kernel-module-split.bbclass
+++ b/import-layers/yocto-poky/meta/classes/kernel-module-split.bbclass
@@ -47,7 +47,7 @@
         tf = tempfile.mkstemp()
         tmpfile = tf[1]
         cmd = "%sobjcopy -j .modinfo -O binary %s %s" % (d.getVar("HOST_PREFIX") or "", file, tmpfile)
-        subprocess.call(cmd, shell=True)
+        subprocess.check_call(cmd, shell=True)
         f = open(tmpfile)
         l = f.read().split("\000")
         f.close()