mv_common.c: don't compile reset_environment if ENV_IS_NOWHERE

Doesn't make sense to provide this function to boards which defined
CONFIG_ENV_IS_NOWHERE. Such a board gets a linking error because
common/env_nowhere.c doesn't define saveenv().

Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
1 file changed