dt-bindings: clock: mpfs-ccc: Add pic64gx compatibility

pic64gx SoC Clock Conditioning Circuitry is compatibles
with the Polarfire SoC

Signed-off-by: Pierre-Henry Moussay <pierre-henry.moussay@microchip.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260113-guise-conceded-88030697b831@spud
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>

Author: Pierre-Henry Moussay

Documentation/devicetree/bindings/clock/microchip,mpfs-ccc.yaml

@@ -17,7 +17,11 @@ description: |
 
 properties:
   compatible:
-    const: microchip,mpfs-ccc
+    oneOf:
+      - items:
+          - const: microchip,pic64gx-ccc
+          - const: microchip,mpfs-ccc
+      - const: microchip,mpfs-ccc
 
   reg:
     items: