[PATCH] Makefile: update warning about CONFIG_OF_EMBED

[Ralph Siemsen]

Update the diagnostic message with revised location of document, which
changed in 3e9fddfc4f1 ("doc: Move devicetree control doc to rST")

Signed-off-by: Ralph Siemsen <ralph.siemsen at linaro.org>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index ccc87c3a5cd..486a9b9ca23 100644
--- a/Makefile
+++ b/Makefile
@@ -1113,7 +1113,7 @@ ifeq ($(CONFIG_OF_EMBED)$(CONFIG_EFI_APP),y)
 	@echo >&2 "CONFIG_OF_EMBED is enabled. This option should only"
 	@echo >&2 "be used for debugging purposes. Please use"
 	@echo >&2 "CONFIG_OF_SEPARATE for boards in mainline."
-	@echo >&2 "See doc/README.fdt-control for more info."
+	@echo >&2 "See doc/develop/devicetree/control.rst for more info."
 	@echo >&2 "===================================================="
 endif
 ifneq ($(CONFIG_SPL_FIT_GENERATOR),)
-- 
2.25.1