staging: vt6656: rxtx use ieee80211_tx_info for rts/cts control

Use the control for rts/cts exhanges replacing need_rts and use_cts_prot for
packet type PK_TYPE_11GB / PK_TYPE_11GA

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/1b21b3db-b9ef-c167-8f88-b32646ba5a19@gmail.com


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