acpi_sleep=s4_nonvs is superseded by acpi_sleep=nonvs, so remove it.
Signed-off-by: NWANG Cong <amwang@redhat.com>
Acked-by: NPavel Machek <pavel@ucw.cz>
Acked-by: NLen Brown <lenb@kernel.org>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>