genirq: fix CONFIG_IRQ_EDGE_EOI_HANDLER build

Fixes these errors:

  kernel/irq/chip.c: In function 'handle_edge_eoi_irq':
  kernel/irq/chip.c:517: warning: label 'out_unlock' defined but not used
  kernel/irq/chip.c:503: error: label 'out_eoi' used but not defined

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 616ec1c..1dafc86 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -514,7 +514,7 @@
 	} while ((desc->istate & IRQS_PENDING) &&
 		 !irqd_irq_disabled(&desc->irq_data));
 
-out_unlock:
+out_eoi:
 	chip->irq_eoi(&desc->irq_data);
 	raw_spin_unlock(&desc->lock);
 }