PCI: qcom: Add IPQ8074 Gen3 port support

IPQ8074 has one Gen2 and one Gen3 port, with Gen2 port already supported.
Add compatible for Gen3 port which uses the same controller as IPQ6018.

Link: https://lore.kernel.org/r/20230113164449.906002-7-robimarko@gmail.com


Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>