The workqueue.panic_on_stall kernel parameter was added in commit
073107b39e ("workqueue: add cmdline parameter workqueue.panic_on_stall")
but not listed in the kernel-parameters doc. Add it there.
Signed-off-by: Sangmoon Kim <sangmoon.kim@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>