Enable verbose output for add_img_to_target_files.

Change-Id: I7246c59c79ccf6a7589c884391d0f690746fc129
diff --git a/core/Makefile b/core/Makefile
index 7d039a5..d66855a 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1506,7 +1506,7 @@
 	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="RECOVERY/RAMDISK/" } /^RECOVERY\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -S $(SELINUX_FC) > $(zip_root)/META/recovery_filesystem_config.txt
 	$(hide) (cd $(zip_root) && zip -q ../$(notdir $@) META/*filesystem_config.txt)
 	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
-	    ./build/tools/releasetools/add_img_to_target_files -p $(HOST_OUT) $@
+	    ./build/tools/releasetools/add_img_to_target_files -v -p $(HOST_OUT) $@
 
 .PHONY: target-files-package
 target-files-package: $(BUILT_TARGET_FILES_PACKAGE)