dt-bindings: iio: accel: fxls8962af: add wakeup-source property

Add a wakeup-source property to the binding to describe whether the
wakeup interrupts from the accelerometer can wake the system from
suspend.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20241203-fxlsdt-v2-1-ef523461b507@geanix.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/accel/nxp,fxls8962af.yaml

@@ -46,6 +46,11 @@ properties:
   drive-open-drain:
     type: boolean
 
+  wakeup-source:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Enable wake on accelerometer event
+
 required:
   - compatible
   - reg
@@ -69,6 +74,7 @@ examples:
             interrupt-parent = <&gpio0>;
             interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
             interrupt-names = "INT1";
+            wakeup-source;
         };
     };
   - |