linux-phytec-ti

libcxgb,cxgb4: use __skb_put_zero to simplfy code

use helper __skb_put_zero to replace the pattern of __skb_put() && memset()

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>