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/bitbake/bin/bitbake-selftest b/import-layers/yocto-poky/bitbake/bin/bitbake-selftest
index 380e003..afe1603 100755
--- a/import-layers/yocto-poky/bitbake/bin/bitbake-selftest
+++ b/import-layers/yocto-poky/bitbake/bin/bitbake-selftest
@@ -28,6 +28,7 @@
 tests = ["bb.tests.codeparser",
          "bb.tests.cow",
          "bb.tests.data",
+         "bb.tests.event",
          "bb.tests.fetch",
          "bb.tests.parse",
          "bb.tests.utils"]