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/meta-virtualization/recipes-kernel/linux/linux-yocto/lxc.cfg b/import-layers/meta-virtualization/recipes-kernel/linux/linux-yocto/lxc.cfg
index fa2344a..c25d60f 100644
--- a/import-layers/meta-virtualization/recipes-kernel/linux/linux-yocto/lxc.cfg
+++ b/import-layers/meta-virtualization/recipes-kernel/linux/linux-yocto/lxc.cfg
@@ -15,7 +15,7 @@
 CONFIG_NET_NS=y
 
 CONFIG_CLS_CGROUP=m
-CONFIG_BLK_CGROUP=m
+CONFIG_BLK_CGROUP=y
 CONFIG_NETPRIO_CGROUP=m
 
 CONFIG_DEVPTS_MULTIPLE_INSTANCES=y