arm64: dts: ti: k3-am68-sk-som: Enable wakeup_i2c0 and eeprom

Enable wakeup_i2c. While at it, describe the board detection eeprom
present on the board.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Sinthu Raja <sinthu.raja@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230602153554.1571128-5-nm@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi

@@ -27,3 +27,25 @@ secure_ddr: optee@9e800000 {
 		};
 	};
 };
+
+&wkup_pmx2 {
+	wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (H24) WKUP_I2C0_SCL */
+			J721S2_WKUP_IOPAD(0x09c, PIN_INPUT, 0) /* (H27) WKUP_I2C0_SDA */
+		>;
+	};
+};
+
+&wkup_i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_i2c0_pins_default>;
+	clock-frequency = <400000>;
+
+	eeprom@51 {
+		/* AT24C512C-MAHM-T */
+		compatible = "atmel,24c512";
+		reg = <0x51>;
+	};
+};