build: unsilence move command

The @ sign in front of the "mv" command was significantly suppressing
output to stdout. When reviewing the make/build logs it was tricking
me a whole lot and it mad me lose time. Removing the @ sign will get
stdout and logs right about what happened when.

Signed-off-by: Thomas Reifferscheid <thomas@reifferscheid.org>

include/image-commands.mk

@@ -8,7 +8,7 @@ define Build/uImage
 		-O linux -T kernel \
 		-C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 		-n '$(if $(UIMAGE_NAME),$(UIMAGE_NAME),$(call toupper,$(LINUX_KARCH)) LEDE Linux-$(LINUX_VERSION))' -d $@ $@.new
-	@mv $@.new $@
+	mv $@.new $@
 endef
 
 define Build/buffalo-enc