arm64: dts: mediatek: enable i2c0 for mt8365-evk board

Enable the I2C0 bus provides communication with:
- The integrated RT9466 Switching Battery Charger.
- The integrated MT6691 LP4X buck for VDDQ.
- The integrated MT6691 LP4X buck for VDD2.
- The pin header, to plug external I2C devices.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221122-mt8365-i2c-support-v6-2-e1009c8afd53@baylibre.com
[mb: move bias-pull-up below pinmux]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Author: amergnat

arch/arm64/boot/dts/mediatek/mt8365-evk.dts

@@ -87,6 +87,13 @@
 	};
 };
 
+&i2c0 {
+	clock-frequency = <100000>;
+	pinctrl-0 = <&i2c0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &pio {
 	gpio_keys: gpio-keys-pins {
 		pins {
@@ -96,6 +103,14 @@
 		};
 	};
 
+	i2c0_pins: i2c0-pins {
+		pins {
+			pinmux = <MT8365_PIN_57_SDA0__FUNC_SDA0_0>,
+				 <MT8365_PIN_58_SCL0__FUNC_SCL0_0>;
+			bias-pull-up;
+		};
+	};
+
 	uart0_pins: uart0-pins {
 		pins {
 			pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>,