[PATCH] kbuild: replace hardcoded bison in cmd_bison_h with $(YACC)

[Masahiro Yamada]

Commit 73a4f6dbe70a ("kbuild: add LEX and YACC variables") missed to
update cmd_bison_h somehow.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

 scripts/Makefile.lib | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 07d0740..5af34a2b 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -196,7 +196,7 @@ $(obj)/%.tab.c: $(src)/%.y FORCE
 	$(call if_changed,bison)
 
 quiet_cmd_bison_h = YACC    $@
-      cmd_bison_h = bison -o/dev/null --defines=$@ -t -l $<
+      cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $<
 
 $(obj)/%.tab.h: $(src)/%.y FORCE
 	$(call if_changed,bison_h)
-- 
2.7.4