tree bf05c5756b1c12f583409b3b2528cf8d51ee430e
parent e3b03bf29d6b99fab7001fb20c33fe54928c157a
author Masahiro Yamada <yamada.masahiro@socionext.com> 1512835348 +0900
committer Masahiro Yamada <yamada.masahiro@socionext.com> 1513390373 +0900

kbuild: add LEX and YACC variables

Allow users to use their favorite lexer / parser generators.
This is useful for me to test various flex and bison versions.

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