Use OpenBMC uboot image
This makes all machines use the OpenBMC flash image uboot
image fstype specialization.
diff --git a/conf/machine/include/obmc-bsp-common.inc b/conf/machine/include/obmc-bsp-common.inc
index ca65285..4a800dd 100644
--- a/conf/machine/include/obmc-bsp-common.inc
+++ b/conf/machine/include/obmc-bsp-common.inc
@@ -10,6 +10,9 @@
KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}"
UBOOT_SUFFIX ?= "bin"
-IMAGE_BOOT_FILES ?= "u-boot.${UBOOT_SUFFIX}"
MACHINEOVERRIDES =. "openbmc:"
+
+IMAGE_CLASSES += "obmc-phosphor-image_types_uboot"
+IMAGE_CTYPE = "gz"
+IMAGE_FSTYPES += "cpio.${IMAGE_CTYPE}.u-boot"