dt-bindings: arm: npcm: Add nuvoton,npcm845 GCR compatible string

Add a compatible string for Nuvoton BMC NPCM845 global control registers.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml

@@ -21,6 +21,7 @@ properties:
       - enum:
           - nuvoton,wpcm450-gcr
           - nuvoton,npcm750-gcr
+          - nuvoton,npcm845-gcr
       - const: syscon
       - const: simple-mfd