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/lib/oeqa/utils/targetbuild.py b/import-layers/yocto-poky/meta/lib/oeqa/utils/targetbuild.py
index 9249fa2..1202d57 100644
--- a/import-layers/yocto-poky/meta/lib/oeqa/utils/targetbuild.py
+++ b/import-layers/yocto-poky/meta/lib/oeqa/utils/targetbuild.py
@@ -69,7 +69,7 @@
 
     def clean(self):
         self._run('rm -rf %s' % self.targetdir)
-        subprocess.call('rm -f %s' % self.localarchive, shell=True)
+        subprocess.check_call('rm -f %s' % self.localarchive, shell=True)
         pass
 
 class TargetBuildProject(BuildProject):
@@ -136,4 +136,4 @@
 
     def _run(self, cmd):
         self.log("Running . %s; " % self.sdkenv + cmd)
-        return subprocess.call(". %s; " % self.sdkenv + cmd, shell=True)
+        return subprocess.check_call(". %s; " % self.sdkenv + cmd, shell=True)