serial: sh-sci: Clarify enable_ms/break_ctl comments.

Technically there's nothing we can do for either of these, so update the
comments to reflect this, rather than infering that there's additional
work to be done.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2011-11-24 19:36:46 +09:00
commit d39ec6ce34