bnx2x: HSI change for 'update' ramrod

This patch updates the driver-FW HSI to support changes to the 'update' ramrod
(FW supports this change since 7.8.2). This ramrod is sent when the cnic module
registers bnx2x, to enable changing the nic_mode configuration in HW at
run-time.

Signed-off-by: Merav Sicron <meravs@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>