dt-bindings: remoteproc: qcom,sm8550-pas: correct power domains

Correct CDSP and MPSS power domains to match what is used in DTS and the
Linux driver:

  sm8550-mtp.dtb: remoteproc@32300000: power-domain-names: ['cx', 'mxc', 'nsp'] is too long

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Fixes: 084258d6 ("dt-bindings: remoteproc: qcom: adsp: document sm8550 adsp, cdsp & mpss compatible")
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230206193313.30667-1-krzysztof.kozlowski@linaro.org