RDMA/rtrs: Register ib event handler

Use ib_register_event_handler() to register event handlers for both
client and server side. For now, all those handlers do, is to print
type of incoming event.

Signed-off-by: Grzegorz Prajsner <grzegorz.prajsner@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Link: https://patch.msgid.link/20240821112217.41827-10-haris.iqbal@ionos.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>