arm64: dts: allwinner: a64-amarula-relic: Add STLM75 sensor

Amarula A64 Relic has STLM75 sensor for digital temperature
and thermal watchdog.

Add support for it.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts

@@ -34,6 +34,21 @@ &ehci0 {
 	status = "okay";
 };
 
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	status = "okay";
+
+	sensor@48 {
+		compatible = "st,stlm75";
+		reg = <0x48>;
+	};
+};
+
+&i2c0_pins {
+	bias-pull-up;
+};
+
 &mmc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc1_pins>;