qed: Introduce iWARP personality

qed: Introduce iWARP personality

Orabug: 26783820

iWARP personality introduced the need for differentiating in several
places in the code whether we are RoCE, iWARP or either. This
leads to introducing new macros for querying the personality.

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[ Upstream commit c851a9dc4359c6b19722de568e9f543c1c23481c ]
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>