dts: sunxi: add eeprom to A20 OLinuXino Lime2 board

The Olimex A20 OLinuXino Lime2 features an eeprom that is always on the
board. This patch adds it to the dts.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
index 913032f..d5c796c 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
@@ -170,6 +170,12 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c1_pins_a>;
 	status = "okay";
+
+	eeprom: eeprom@50 {
+		compatible = "atmel,24c16";
+		reg = <0x50>;
+		pagesize = <16>;
+	};
 };
 
 &mmc0 {