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/sign_package_feed.bbclass b/import-layers/yocto-poky/meta/classes/sign_package_feed.bbclass
index 71df03b..f03c480 100644
--- a/import-layers/yocto-poky/meta/classes/sign_package_feed.bbclass
+++ b/import-layers/yocto-poky/meta/classes/sign_package_feed.bbclass
@@ -28,6 +28,9 @@
 PACKAGE_FEED_GPG_BACKEND ?= 'local'
 PACKAGE_FEED_GPG_SIGNATURE_TYPE ?= 'ASC'
 
+# Make feed signing key to be present in rootfs
+FEATURE_PACKAGES_package-management_append = " signing-keys-packagefeed"
+
 python () {
     # Check sanity of configuration
     for var in ('PACKAGE_FEED_GPG_NAME', 'PACKAGE_FEED_GPG_PASSPHRASE_FILE'):