genirq: Add IRQ_MOVE_PENDING to irq_data.state

chip implementations need to know about it. Keep status in sync until
all users are fixed. 

Accessor function: irqd_is_setaffinity_pending(irqdata)

Coders who access them directly will be tracked down and slapped with
stinking trouts.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ccc9389..9a99c47 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -107,7 +107,7 @@
 }
 static inline bool irq_move_pending(struct irq_desc *desc)
 {
-	return desc->status & IRQ_MOVE_PENDING;
+	return irqd_is_setaffinity_pending(&desc->irq_data);
 }
 static inline void
 irq_copy_pending(struct irq_desc *desc, const struct cpumask *mask)
@@ -156,7 +156,7 @@
 			ret = 0;
 		}
 	} else {
-		desc->status |= IRQ_MOVE_PENDING;
+		irqd_set_move_pending(&desc->irq_data);
 		irq_copy_pending(desc, mask);
 	}