block: Replace lkml.org links with lore

As started by commit 05a5f51 ("Documentation: Replace lkml.org
links with lore"), replace lkml.org links with lore to better use a
single source that's more likely to stay available long-term.

Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

drivers/block/aoe/aoecmd.c

@@ -1046,7 +1046,7 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail)
 
 	__blk_mq_end_request(rq, err);
 
-	/* cf. http://lkml.org/lkml/2006/10/31/28 */
+	/* cf. https://lore.kernel.org/lkml/[email protected]/ */
 	if (!fastfail)
 		blk_mq_run_hw_queues(q, true);
 }