staging: vt6656: create vnt rx header for sk_buff.

vnt_rx_header contains the structure of the original variables
wbk_status, rx_sts, rx_rate and pay_load_len packed.

Replace all the old variables for the ones in this.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/094ee227-b114-ee75-67f7-bf07f8de099f@gmail.com


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