interconnect: qcom: Add EPSS L3 support on SC7280

Add Epoch Subsystem (EPSS) L3 interconnect provider support on
SC7280 SoCs.

Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1634812857-10676-3-git-send-email-okukatla@codeaurora.org


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