qed: Separate RoCE DCBx support for V2.

qed: Separate RoCE DCBx support for V2.

Orabug: 26783820

In the older firmware there was no distinction between RoCE and RoCEv2
whereas the newer firmware (8.15.3.0) allows us to configure each
independently. Driver need to populate the RoCEv2 data in its specific
structure.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[ Upstream commit 449ad505e9d2f420b7bf590a708c101ff587593e ]
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>