staging: vt6656: Replace pStatistic->abyTxPktInfo with struct vnt_tx_pkt_info

Change s_vSaveTxPktInfo and BSSvUpdateNodeTxCounter to use vnt_tx_pkt_info
relayed to BSSvUpdateNodeTxCounter via INTnsProcessData.

pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni is unused and discarded.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>