cpuidle: delete NOP CPUIDLE_FLAG_POLL

it serves no purpose

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 37e4460..dd5f1ea 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -186,7 +186,7 @@
 	state->exit_latency = 0;
 	state->target_residency = 0;
 	state->power_usage = -1;
-	state->flags = CPUIDLE_FLAG_POLL;
+	state->flags = 0;
 	state->enter = poll_idle;
 }
 #else