Add sc8280xp compatible consistent with recent CAMSS CCI interfaces.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
[wsa: rebased]
Signed-off-by: Wolfram Sang <wsa@kernel.org>