arm64: dts: qcom: sm8250: align APR services node names with dtschema

DT schema expects APR services node names to be "service":

  qcom/sm8250-sony-xperia-edo-pdx203.dtb: remoteproc@17300000: glink-edge:apr:service@7: 'dais' does not match any of the regexes: '^.*@[0-9a-f]+$', 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220910091428.50418-4-krzysztof.kozlowski@linaro.org