staging: vt6656: iwctl: Fix indentation

Fix indentation for the entire files to use tabs rather than spaces
and also make sure everything is indented to the proper depth
according to context.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>