On rare occasions, send BD corruptions can occur.  This patch
fixes the problem by increasing the L1 entry threshold to 4
milliseconds.
Signed-off-by: NMatt Carlson <mcarlson@broadcom.com>
Signed-off-by: NMichael Chan <mchan@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>