[U-Boot] [PATCH] configs: clean up unused macro CONFIG_L2_OFF

[Masahiro Yamada]

> Since commit c2dd0d455 and 45bf05854 introduced
> the new cache maintainance framework to ARM,
> CONFIG_L2_OFF has been used at all.

Commit log was wrong.

s/has been used/has not been used/

I posted v2 with corrected commit log.



Best Regards
Masahiro Yamada