rockchip: dts: tinker: move i2c node to shared device tree

The I2C EEPROM is present on Tinker Board S as well. Move the i2c node
to the shared, U-Boot specific rk3288-tinker-u-boot.dtsi device tree.

Cc: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3288-tinker-u-boot.dtsi b/arch/arm/dts/rk3288-tinker-u-boot.dtsi
index 732aa4f..56d10c8 100644
--- a/arch/arm/dts/rk3288-tinker-u-boot.dtsi
+++ b/arch/arm/dts/rk3288-tinker-u-boot.dtsi
@@ -17,6 +17,13 @@
 	rockchip,sdram-params = <0x20d266a4 0x5b6 2 533000000 6 9 0>;
 };
 
+&i2c2 {
+	m24c08@50 {
+		compatible = "at,24c08", "i2c-eeprom";
+		reg = <0x50>;
+	};
+};
+
 &pinctrl {
 	u-boot,dm-pre-reloc;
 };