[PATCH] Makefile: Fake external blob with BINMAN_ALLOW_MISSING=1

[Simon Glass]

This flag was lost by a previous change and has never been restored.
Without it, binman cannot fully handle missing blobs which are
themselves inputs to mkimage.

Discussion on this at [1] indicated that this was necessary but the
patch was not updated.

Restore the flag so that all missing blobs are reported.

[1] https://patchwork.ozlabs.org/project/uboot/patch/
    20221206020336.315465-1-trini at konsulko.com/

Signed-off-by: Simon Glass <sjg at chromium.org>
Fixes: 93685d0dcb9 ("Makefile: With BINMAN_ALLOW_MISSING=1 don't error")
---

 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 7275a02f24c..f92f46b3ab7 100644
--- a/Makefile
+++ b/Makefile
@@ -1398,7 +1398,8 @@ cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \
                 --toolpath $(objtree)/tools \
 		$(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \
 		build -u -d u-boot.dtb -O . -m \
-		--allow-missing $(if $(BINMAN_ALLOW_MISSING),--ignore-missing) \
+		--allow-missing --fake-ext-blobs \
+		$(if $(BINMAN_ALLOW_MISSING),--ignore-missing) \
 		-I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \
 		$(foreach f,$(of_list_dirs),-I $(f)) -a of-list=$(of_list) \
 		$(foreach f,$(BINMAN_INDIRS),-I $(f)) \
-- 
2.34.1