ARM: shmobile: lager: Set ethernet PHY LED mode

The Lager board uses the ethernet PHY LED0 as a link signal connected to
the ethernet controller. Specify the corresponding LED mode for the PHY.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7790-lager.dts

@@ -213,6 +213,7 @@
 		reg = <1>;
 		interrupt-parent = <&irqc0>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		led-mode = <1>;
 	};
 };