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/own-mirrors.bbclass b/import-layers/yocto-poky/meta/classes/own-mirrors.bbclass
index 0296d54..a777835 100644
--- a/import-layers/yocto-poky/meta/classes/own-mirrors.bbclass
+++ b/import-layers/yocto-poky/meta/classes/own-mirrors.bbclass
@@ -1,13 +1,13 @@
-PREMIRRORS() {
-cvs://.*/.*     ${SOURCE_MIRROR_URL}
-svn://.*/.*     ${SOURCE_MIRROR_URL}
-git://.*/.*     ${SOURCE_MIRROR_URL}
-gitsm://.*/.*   ${SOURCE_MIRROR_URL}
-hg://.*/.*      ${SOURCE_MIRROR_URL}
-bzr://.*/.*     ${SOURCE_MIRROR_URL}
-p4://.*/.*      ${SOURCE_MIRROR_URL}
-osc://.*/.*     ${SOURCE_MIRROR_URL}
-https?$://.*/.* ${SOURCE_MIRROR_URL}
-ftp://.*/.*     ${SOURCE_MIRROR_URL}
-npm://.*/?.*    ${SOURCE_MIRROR_URL}
-}
+PREMIRRORS_prepend = " \
+cvs://.*/.*     ${SOURCE_MIRROR_URL} \n \
+svn://.*/.*     ${SOURCE_MIRROR_URL} \n \
+git://.*/.*     ${SOURCE_MIRROR_URL} \n \
+gitsm://.*/.*   ${SOURCE_MIRROR_URL} \n \
+hg://.*/.*      ${SOURCE_MIRROR_URL} \n \
+bzr://.*/.*     ${SOURCE_MIRROR_URL} \n \
+p4://.*/.*      ${SOURCE_MIRROR_URL} \n \
+osc://.*/.*     ${SOURCE_MIRROR_URL} \n \
+https?$://.*/.* ${SOURCE_MIRROR_URL} \n \
+ftp://.*/.*     ${SOURCE_MIRROR_URL} \n \
+npm://.*/?.*    ${SOURCE_MIRROR_URL} \n \
+"