define Build/tar-file
mkdir -p $(KDIR)/sysupgrade-$(DEVICE_NAME)/
echo "BOARD=$(BOARD)" > $(KDIR)/sysupgrade-$(DEVICE_NAME)/CONTROL
- $(CP) $(KDIR)/$(KERNEL_IMAGE) $(KDIR)/sysupgrade-$(DEVICE_NAME)/kernel
+ $(CP) $(KDIR_KERNEL_IMAGE) $(KDIR)/sysupgrade-$(DEVICE_NAME)/kernel
$(CP) $(KDIR)/root.$(1) $(KDIR)/sysupgrade-$(DEVICE_NAME)/root
(cd $(KDIR); $(TAR) cvf \
$@ sysupgrade-$(DEVICE_NAME))