mfd: arizona: Correct error message for addition of main IRQ chip

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 88758ab..17102f5 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -285,7 +285,7 @@
 				  IRQF_ONESHOT, -1, irq,
 				  &arizona->irq_chip);
 	if (ret != 0) {
-		dev_err(arizona->dev, "Failed to add AOD IRQs: %d\n", ret);
+		dev_err(arizona->dev, "Failed to add main IRQs: %d\n", ret);
 		goto err_aod;
 	}