dt-bindings: input/touchscreen: imagis: add compatible for IST3032C

IST3032C is a touchscreen IC which seems mostly compatible with IST3038C
except that it reports a different chip ID value.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Karel Balej <balejk@matfyz.cz>
Link: https://lore.kernel.org/r/20240301164659.13240-5-karelb@gimli.ms.mff.cuni.czSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Documentation/devicetree/bindings/input/touchscreen/imagis,ist3038c.yaml

@@ -18,6 +18,7 @@ properties:
 
   compatible:
     enum:
+      - imagis,ist3032c
       - imagis,ist3038b
       - imagis,ist3038c