dt-bindings: vendor-prefixes: Add prefix for Mixel, Inc.

Add a vendor prefix entry for Mixel, Inc. (https://www.mixel.com

).

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Link: https://lore.kernel.org/r/20220706034810.2352641-2-victor.liu@nxp.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>