arm64: dts: sc7180: Add interconnect for QUP and QSPI

Add interconnect ports for GENI QUPs and QSPI to set bus capabilities.
Signed-off-by: Akash Asthana <akashast@codeaurora.org>
Link: https://lore.kernel.org/r/1592908737-7068-9-git-send-email-akashast@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>