tls: strp: rename and multithread the workqueue

Paolo points out that there seems to be no strong reason strparser
users a single threaded workqueue. Perhaps there were some performance
or pinning considerations? Since we don't know (and it's the slow path)
let's default to the most natural, multi-threaded choice.

Also rename the workqueue to "tls-".

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net/tls/tls_strp.c

@@ -480,7 +480,7 @@ void tls_strp_done(struct tls_strparser *strp)
 
 int __init tls_strp_dev_init(void)
 {
-	tls_strp_wq = create_singlethread_workqueue("kstrp");
+	tls_strp_wq = create_workqueue("tls-strp");
 	if (unlikely(!tls_strp_wq))
 		return -ENOMEM;