cpuidle/menu: stop seeking deeper idle if current state is too deep

Seems all target_residency and exit_latency are going longer in deeper
idle state. so don't need to go further for no result seeking, and
save some useless cycle.

Signed-off-by: Alex Shi <alex.shi@linaro.org>
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 03d38c2..bb58e2a 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -358,9 +358,9 @@
 		if (s->disabled || su->disable)
 			continue;
 		if (s->target_residency > data->predicted_us)
-			continue;
+			break;
 		if (s->exit_latency > latency_req)
-			continue;
+			break;
 
 		data->last_state_idx = i;
 	}