dt-bindings: interconnect: qcom: Add sc8280xp binding

dt-bindings: interconnect: qcom: Add sc8280xp binding

The Qualcomm SC8280XP platform has the usual set of busses, add a
binding for these interconnect providers and port definitions to allow
interconnect paths to be expressed in the sc8280xp DeviceTree.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220408214835.624494-1-bjorn.andersson@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>