bnx2x: Add autogrEEEn support

Add autogrEEEn support on BCM84833 and 54618se, which allows to reduce power consumption.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/bnx2x/bnx2x_link.c
Simple merge

diff --cc drivers/net/bnx2x/bnx2x_link.h
Simple merge

diff --cc drivers/net/bnx2x/bnx2x_reg.h
Simple merge