... to set fragmentation and RTS thresholds. Also report RTS retry
settings during wiphy init.

Note that the existing semantics for enabling microwave robustness are
preserved on firmwares that have it.
Signed-off-by: NDavid Kilroy <kilroyd@googlemail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>