Comment 3 for bug 1932117

This patch fixes the problem:

From 57ca81245f4db4a0222d545f8f5d4709544c26cf Mon Sep 17 00:00:00 2001
From: Shukun Tan <email address hidden>
Date: Thu, 5 Mar 2020 10:06:21 +0800
Subject: [PATCH] crypto: hisilicon - Use one workqueue per qm instead of per
 qp

Since SEC need not so many workqueues as our test, we just use
one workqueue created by the device driver of QM if necessary,
which will also reduce CPU waste without any throughput decreasing.

Signed-off-by: Shukun Tan <email address hidden>
Signed-off-by: Zaibo Xu <email address hidden>
Reviewed-by: Jonathan Cameron <email address hidden>
Signed-off-by: Herbert Xu <email address hidden>