staging: vt6656: use struct wiphy retry short and long settings.

Remove driver options for short and long retry and use the ones
set by user in wiphy.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/fbb8da09-ee46-2249-ff29-daaaff1a64e6@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>