dt-bindings: thermal: simplify few bindings

Simplify few bindings which already reference thermal-sensor.yaml schema
by dropping unneeded requiring of '#thermal-sensor-cells' and dropping
assigned-clocks properties (core schema allows it if 'clocks' are
there).

Reviewed-by: AngeloGioacchino Del Regno <[e-mail]>
Acked-by: Conor Dooley <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Daniel Lezcano <[e-mail]>

Documentation/devicetree/bindings/thermal/brcm,avs-tmon.yaml

···
 required:
   - compatible
   - reg
-  - "#thermal-sensor-cells"
 
 examples:
   - |

Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.yaml

···
   - compatible
   - reg
   - clocks
-  - '#thermal-sensor-cells'
 
 examples:
   - |

Documentation/devicetree/bindings/thermal/fsl,scu-thermal.yaml

···
 
 required:
   - compatible
-  - '#thermal-sensor-cells'
 
 additionalProperties: false
 

Documentation/devicetree/bindings/thermal/loongson,ls2k-thermal.yaml

···
   - compatible
   - reg
   - interrupts
-  - '#thermal-sensor-cells'
 
 if:
   properties:

Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml

···
   - resets
   - nvmem-cells
   - nvmem-cell-names
-  - "#thermal-sensor-cells"
 
 additionalProperties: false
 

Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.yaml

···
   - clock-names
   - resets
   - reset-names
-  - "#thermal-sensor-cells"
 
 allOf:
   - $ref: thermal-sensor.yaml

Documentation/devicetree/bindings/thermal/nvidia,tegra30-tsensor.yaml

···
   "#thermal-sensor-cells":
     const: 1
 
-  assigned-clock-parents: true
-  assigned-clock-rates: true
-  assigned-clocks: true
-
 required:
   - compatible
   - reg

Documentation/devicetree/bindings/thermal/qcom,spmi-temp-alarm.yaml

···
   - compatible
   - reg
   - interrupts
-  - '#thermal-sensor-cells'
 
 additionalProperties: false