clocksource: sh_mtu2: Set cpumask to cpu_possible_mask

The MTU2 is not tied to CPU0, make it usable on any CPU.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Wolfram Sang <wsa@sang-engineering.com>

drivers/clocksource/sh_mtu2.c

@@ -331,7 +331,7 @@ static void sh_mtu2_register_clockevent(struct sh_mtu2_channel *ch,
 	ced->name = name;
 	ced->features = CLOCK_EVT_FEAT_PERIODIC;
 	ced->rating = rating;
-	ced->cpumask = cpumask_of(0);
+	ced->cpumask = cpu_possible_mask;
 	ced->set_mode = sh_mtu2_clock_event_mode;
 	ced->suspend = sh_mtu2_clock_event_suspend;
 	ced->resume = sh_mtu2_clock_event_resume;