dt-bindings: hwmon: (mr75203) change "resets" property to be optional

Change "resets" property to be optional instead of required, for SOCs
that don't support a reset controller.
Signed-off-by: Eliav Farber <farbere@amazon.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220908152449.35457-9-farbere@amazon.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml

@@ -75,7 +75,6 @@ required:
   - reg
   - reg-names
   - clocks
-  - resets
   - "#thermal-sensor-cells"
 
 additionalProperties: false