endef
define Build/append-kernel
- dd if=$(IMAGE_KERNEL) $(if $(1),bs=$(1) conv=sync) >> $@
+ dd if=$(IMAGE_KERNEL) >> $@
endef
define Build/append-rootfs
- dd if=$(IMAGE_ROOTFS) $(if $(1),bs=$(1) conv=sync) >> $@
+ dd if=$(IMAGE_ROOTFS) >> $@
endef
define Build/append-ubi