[PATCH] tools: always create $STAGING_DIR/usr/{include,lib}

[Andre Heider]

rules.mk always passes these as -I/-L to the toolchain.

Fixes rare errors like:
cc1: error: staging_dir/target-aarch64_cortex-a53_musl/usr/include: No such file or directory [-Werror=missing-include-dirs]

Signed-off-by: Andre Heider <a.heider at gmail.com>
---
 tools/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/Makefile b/tools/Makefile
index f038c90ba9..325c0995ee 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -123,7 +123,7 @@ define PrepareStaging
 		$(if $(QUIET),,set -x;) \
 		mkdir -p "$$dir"; \
 		cd "$$dir"; \
-		mkdir -p bin lib stamp; \
+		mkdir -p bin lib stamp usr/include usr/lib; \
 	); done
 endef
 
-- 
2.28.0