lantiq: copy rootfs-overlay.ubi to bin/lantiq

At the moment, an rootfs.ubi is copied over to bin/lantiq
but rootfs-overlay.ubi is not. This adds it.

Signed-off-by: Ben Mulvihill <[email protected]>

SVN-Revision: 41270

target/linux/lantiq/image/Makefile

@@ -189,6 +189,7 @@ define Image/Build/ubi
 
 ifneq ($($(PROFILE)_UBI_OPTS),)
 	$(CP) $(KDIR)/root.ubi $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-rootfs.ubi
+	$(CP) $(KDIR)/root-overlay.ubi $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-rootfs-overlay.ubi
 endif
 endef