bnx2x: Support DCBX for all functions

In multi-function device, allow configuring dcbx admin params from all drivers
on a single physical port.

Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
Simple merge

diff --cc drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
Simple merge

diff --cc drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
Simple merge

diff --cc drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
Simple merge

diff --cc drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
Simple merge

diff --cc drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
Simple merge

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