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/docker.cfg b/import-layers/meta-virtualization/recipes-kernel/linux/linux-yocto/docker.cfg
new file mode 100644
index 0000000..4ee8e36
--- /dev/null
+++ b/import-layers/meta-virtualization/recipes-kernel/linux/linux-yocto/docker.cfg
@@ -0,0 +1,12 @@
+CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_NF_NAT=m
+CONFIG_NF_CONNTRACK_IPV4=y
+
+CONFIG_DM_THIN_PROVISIONING=m
+
+
+CONFIG_IP_NF_NAT=m
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+
+CONFIG_OVERLAY_FS=y