arm64: dts: rockchip: enable I2C interface from DSI and CSI connectors on rock-5a

I2C3 is routed to the Camera connector and I2C5 is routed to the LCD
connector. On I2C5 additionally there is an unpopulated footprint for
a HYM8563TS RTC.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230710165228.105983-12-sebastian.reichel@collabora.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts

@@ -190,6 +190,16 @@ eeprom: eeprom@50 {
 	};
 };
 
+&i2c3 {
+	status = "okay";
+};
+
+&i2c5 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c5m2_xfer>;
+};
+
 &i2c7 {
 	status = "okay";