leds: ip30: label power LED as such

Make label "white:power" to be consistent with dt-bindings/leds/common.h .

Signed-off-by: Pavel Machek <pavel@ucw.cz>
diff --git a/drivers/leds/leds-ip30.c b/drivers/leds/leds-ip30.c
index e95ea78..d4ec736 100644
--- a/drivers/leds/leds-ip30.c
+++ b/drivers/leds/leds-ip30.c
@@ -44,7 +44,7 @@ static int ip30led_create(struct platform_device *pdev, int num)
 
 	switch (num) {
 	case IP30_LED_SYSTEM:
-		data->cdev.name = "white:system";
+		data->cdev.name = "white:power";
 		break;
 	case IP30_LED_FAULT:
 		data->cdev.name = "red:fault";