sensor: icm45686: Refactor DTS bindings to unify common properties

To split bus support into separate files. This patch does not introduce
any functionality, but rather precedes a patch introducing I2C bus
support.

Signed-off-by: Luis Ubieda <[email protected]>

Author: ubieda

dts/bindings/sensor/invensense,icm45686.yaml renamed to dts/bindings/sensor/invensense,icm45686-common.yaml

@@ -3,28 +3,7 @@
 # Copyright (c) 2025 CogniPilot Foundation
 # SPDX-License-Identifier: Apache-2.0
 
-description: |
-    ICM45686 High-precision 6-axis motion tracking device
-    When setting the accel-pm, accel-range, accel-odr, gyro-pm, gyro-range,
-    gyro-odr properties in a .dts or .dtsi file you may include icm45686.h
-    and use the macros defined there.
-
-    Example:
-    #include <zephyr/dt-bindings/sensor/icm45686.h>
-
-    icm42688: icm45686@0 {
-      ...
-
-      accel-pwr-mode = <ICM45686_DT_ACCEL_LN>;
-      accel-fs = <ICM45686_DT_ACCEL_FS_32>;
-      accel-odr = <ICM45686_DT_ACCEL_ODR_800>;
-      gyro-pwr-mode= <ICM45686_DT_GYRO_LN>;
-      gyro-fs = <ICM45686_DT_GYRO_FS_4000>;
-      gyro-odr = <ICM45686_DT_GYRO_ODR_800>;
-    };
-
-compatible: "invensense,icm45686"
-include: [sensor-device.yaml, spi-device.yaml]
+include: sensor-device.yaml
 
 properties:
   int-gpios:

dts/bindings/sensor/invensense,icm45686-spi.yaml

@@ -0,0 +1,30 @@
+# Copyright (c) 2025 Croxel Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+description: |
+    ICM45686 High-precision 6-axis motion tracking device
+    When setting the accel-pm, accel-range, accel-odr, gyro-pm, gyro-range,
+    gyro-odr properties in a .dts or .dtsi file you may include icm45686.h
+    and use the macros defined there.
+
+    Example:
+    #include <zephyr/dt-bindings/sensor/icm45686.h>
+
+    &spi0 {
+      ...
+
+      icm42688: icm45686@0 {
+        ...
+
+        accel-pwr-mode = <ICM45686_DT_ACCEL_LN>;
+        accel-fs = <ICM45686_DT_ACCEL_FS_32>;
+        accel-odr = <ICM45686_DT_ACCEL_ODR_800>;
+        gyro-pwr-mode= <ICM45686_DT_GYRO_LN>;
+        gyro-fs = <ICM45686_DT_GYRO_FS_4000>;
+        gyro-odr = <ICM45686_DT_GYRO_ODR_800>;
+      };
+    };
+
+compatible: "invensense,icm45686"
+
+include: ["spi-device.yaml", "invensense,icm45686-common.yaml"]