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

Commit 71cb61771a5f ("kbuild: add LEX and YACC variables") missed to
update cmd_bison_h somehow.

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

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 07d07409f16fd5dbcde755adf3cbd9f1b49532d3..5af34a2b0cd9a4c116f68fb73f39e6716f3cfcb3 100644 (file)
--- 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)