Commits
Masahiro Yamada committed d59fbbd09d5
kbuild: replace hardcoded bison in cmd_bison_h with $(YACC)
Commit 73a4f6dbe70a ("kbuild: add LEX and YACC variables") missed to
update cmd_bison_h somehow.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>