interconnect: qcom: Add SC8180x providers

The SC8180x contains the usual RPMH based interconnect providers, add a
driver which defines the various busses and ports.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210723194243.3675795-2-bjorn.andersson@linaro.org


Signed-off-by: Georgi Djakov <djakov@kernel.org>