dt-bindings: arm: fsl: remove redundant company name

Company name in compatible description appears twice, which is not really
helpful, so remove it from product name.

The board is a prototype developed by my company and we are still at the
prototype stage, so there is zero ABI impact.

Fixes: bb405e8b ("dt-bindings: arm: fsl: add RVE gateway board")
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Documentation/devicetree/bindings/arm/fsl.yaml

@@ -1028,7 +1028,7 @@ properties:
         items:
           - enum:
               - dimonoff,gateway-evk # i.MX8MN Dimonoff Gateway EVK Board
-              - rve,rve-gateway # i.MX8MN RVE Gateway Board
+              - rve,gateway # i.MX8MN RVE Gateway Board
               - variscite,var-som-mx8mn-symphony
           - const: variscite,var-som-mx8mn
           - const: fsl,imx8mn