Add PCIe RC init sequence making use of the common init sequence. The RC
mode additionally requires REFCLK_DRV_DSBL bit to set during powerup and
powerdown.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20230308082424.140224-13-manivannan.sadhasivam@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>