bnx2x: add DCB support

Adding DCB initialization and handling on 57712 FW/HW

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Shmulik Ravid-Rabinovitz <shmulikr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/bnx2x/Makefile
Simple merge

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

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

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

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

diff --cc drivers/net/bnx2x/bnx2x_dcb.h
Simple merge

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

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

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