upstream kernel commit 22fa159d37efbfe781bbb99279efe83f58b87d29

- Improved flow control and simplified interface
- Use hardware RSS indirection table instead of the slower firmware-
  based table
- Lower latency interrupt on 5709

Signed-off-by: Michael Chan <[email protected]>
Reviewed-by: Benjamin Li <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: David Woodhouse <[email protected]>