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/kernel-fitimage.bbclass b/import-layers/yocto-poky/meta/classes/kernel-fitimage.bbclass
index 179185b..9baf399 100644
--- a/import-layers/yocto-poky/meta/classes/kernel-fitimage.bbclass
+++ b/import-layers/yocto-poky/meta/classes/kernel-fitimage.bbclass
@@ -7,9 +7,12 @@
         depends = "%s u-boot-mkimage-native dtc-native" % depends
         d.setVar("DEPENDS", depends)
 
-        if d.getVar("UBOOT_ARCH") == "mips":
+        uarch = d.getVar("UBOOT_ARCH")
+        if uarch == "arm64":
+            replacementtype = "Image"
+        elif uarch == "mips":
             replacementtype = "vmlinuz.bin"
-        elif d.getVar("UBOOT_ARCH") == "x86":
+        elif uarch == "x86":
             replacementtype = "bzImage"
         else:
             replacementtype = "zImage"