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-yocto-bsp/conf/machine/beaglebone.conf b/import-layers/yocto-poky/meta-yocto-bsp/conf/machine/beaglebone.conf
index 4a90ba5..1bdd4df 100644
--- a/import-layers/yocto-poky/meta-yocto-bsp/conf/machine/beaglebone.conf
+++ b/import-layers/yocto-poky/meta-yocto-bsp/conf/machine/beaglebone.conf
@@ -26,7 +26,7 @@
 PREFERRED_VERSION_linux-yocto ?= "4.12%"
 
 KERNEL_IMAGETYPE = "zImage"
-KERNEL_DEVICETREE = "am335x-bone.dtb am335x-boneblack.dtb"
+KERNEL_DEVICETREE = "am335x-bone.dtb am335x-boneblack.dtb am335x-bonegreen.dtb"
 KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}"
 
 SPL_BINARY = "MLO"