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_4.12.bbappend b/import-layers/meta-virtualization/recipes-kernel/linux/linux-yocto_4.12.bbappend
new file mode 100644
index 0000000..617cacc
--- /dev/null
+++ b/import-layers/meta-virtualization/recipes-kernel/linux/linux-yocto_4.12.bbappend
@@ -0,0 +1 @@
+require ${@bb.utils.contains('DISTRO_FEATURES', 'virtualization', '${BPN}_virtualization.inc', '', d)}