This patch adds the structure stmmac_tx_queue which contains
tx queues specific data (previously in stmmac_priv).
Signed-off-by: NJoao Pinto <jpinto@synopsys.com>
Tested-by: NNiklas Cassel <niklas.cassel@axis.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>