tests: build_all: sensor: Add ICM45686 as an I3C device

To validate build-time functionality.

Signed-off-by: Luis Ubieda <luisf@croxel.com>

Author: ubieda

tests/drivers/build_all/sensor/i3c.dtsi

@@ -60,3 +60,10 @@ test_i3c_lsm6dsv32x: lsm6dsv32x@600000803E0000004 {
 	gyro-range = <LSM6DSV16X_DT_FS_2000DPS>;
 	gyro-odr = <LSM6DSV16X_DT_ODR_AT_60Hz>;
 };
+
+test_i3c_icm45686: icm45686@700000803E0000004 {
+	compatible = "invensense,icm45686";
+	reg = <0x7 0x00000803 0xE0000004>;
+	assigned-address = <0x7>;
+	int-gpios = <&test_gpio 0 0>;
+};