efi: Drop the OF_EMBED warning for EFI

For the EFI app, we must embed the devicetree in the ELF file since that
is the only thing that is run by UEFI. Drop the warning to avoid
confusion.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NHeinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: NHeinrich Schuchardt <heinrich.schuchardt@canonical.com>

Makefile

@@ -1094,7 +1094,7 @@ endif
 ifeq ($(CONFIG_DEPRECATED),y)
 	$(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.")
 endif
-ifeq ($(CONFIG_OF_EMBED),y)
+ifeq ($(CONFIG_OF_EMBED)$(CONFIG_EFI_APP),y)
 	@echo >&2 "===================== WARNING ======================"
 	@echo >&2 "CONFIG_OF_EMBED is enabled. This option should only"
 	@echo >&2 "be used for debugging purposes. Please use"