qede: Add qedr framework

qede: Add qedr framework

Orabug: 25477939

Adds a skeletal implementation of the qede RoCE driver -
The qedr has some dependencies of the state of the underlying base
interface. This adds some logic required with mutual registrations
and the ability to pass updates on 'intresting' events.

Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit cee9fbd8e2e9e713cd8bf227c6492fd8854de74b)
Signed-off-by: Brian Maly <brian.maly@oracle.com>
Conflicts:
	drivers/net/ethernet/qlogic/Kconfig
	drivers/net/ethernet/qlogic/qede/qede.h