linux-imx

IB/cxgb4: use skb_put_zero()/__skb_put_zero

Use the recently introduced helper to replace the pattern of
skb_put_zero/__skb_put() && memset().

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>