PCI: starfive: Add JH7110 PCIe controller

PCI: starfive: Add JH7110 PCIe controller

Add StarFive JH7110 SoC PCIe controller platform driver code, JH7110
with PLDA host PCIe core.

Link: https://lore.kernel.org/linux-pci/20240328091835.14797-22-minda.chen@starfivetech.com
Co-developed-by: Kevin Xie <kevin.xie@starfivetech.com>
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mason Huo <mason.huo@starfivetech.com>