Currently, do_build_all() does nothing.
Since commit 195310fd7b48 (MAKEALL: add regex support), do_build()
takes two arguments. To fix do_build_all(), it must pass "*" as the
second argument of do_build().
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>