qed: configure ll2 RoCE v1/v2 flavor correctly

qed: configure ll2 RoCE v1/v2 flavor correctly

Orabug: 25477939

Currently RoCE v2 won't operate with RDMA CM due to missing setting of
the roce-flavour in the ll2 configuration.
This patch properly sets the flavour, and deletes incorrect HSI
that doesn't [yet] exist.

Fixes: abd49676c707 ("qed: Add RoCE ll2 & GSI support")
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 8d1d8fcb21cfc4a65731760c3100920f929e8f3d)
Signed-off-by: Brian Maly <brian.maly@oracle.com>