dt-bindings: iio: imu: bmi270: add boolean type for drive-open-drain

Add missing type description "boolean" for the drive-open-drain property.

Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Reviewed-by: Alex Lanzano <lanzano.alex@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20241219234745.58723-3-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Author: vamoirid

Documentation/devicetree/bindings/iio/imu/bosch,bmi270.yaml

@@ -41,6 +41,7 @@ properties:
         - INT2
 
   drive-open-drain:
+    type: boolean
     description:
       set if the specified interrupt pins should be configured as
       open drain. If not set, defaults to push-pull.