Split SC8180x remote processor Peripheral Authentication Service bindings
into their own file to reduce complexity and make maintenance easier.

The binding is incomplete due to lack of upstreamed DTS - no example and
not all power domains defined.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221124184333.133911-12-krzysztof.kozlowski@linaro.org