Add support for SM8450 SoC to the Qualcomm PCIe Endpoint Controller
driver. The driver uses the same config as the existing SDX55 chipset,
so additional settings are not required.

Link: https://lore.kernel.org/r/20220914075350.7992-13-manivannan.sadhasivam@linaro.orgSigned-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: NLorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>