dt-bindings: misc: qcom,fastrpc: correct example for GLINK edge

The parent of FastRPC node is GLINK edge, so the properties should be
matching GLINK, not SMD.  Correct the example and extend it based on
SM8350.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220909125403.803158-5-krzysztof.kozlowski@linaro.org


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