dt-bindings: crypto: ice: Document sm8450 inline crypto engine

Document the compatible used for the inline crypto engine found on
SM8450.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230814-dt-binding-ufs-v6-4-fd94845adeda@fairphone.com


Signed-off-by: Rob Herring <robh@kernel.org>