dt-bindings: iio/proximity: semtech,sx9360: Fix 'semtech,resolution' type

'semtech,resolution' is a single value, not an array.

Note that it is also defined as a string in semtech,sx9310.yaml. Sigh.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230125221404.3057806-1-robh@kernel.orgSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml

@@ -36,7 +36,7 @@ properties:
     const: 1
 
   semtech,resolution:
-    $ref: /schemas/types.yaml#/definitions/uint32-array
+    $ref: /schemas/types.yaml#/definitions/uint32
     enum: [8, 16, 32, 64, 128, 256, 512, 1024]
     description:
       Capacitance measurement resolution. For both phases, "reference" and