Merge branch 'pci/controller/dwc-imx6'

- Fix device node reference leak in imx_pcie_probe() (Felix Gu)

- Delay instead of polling for L2/L3 Ready after PME_Turn_off when
  suspending i.MX6SX because LTSSM registers are inaccessible (Richard Zhu)

- Separate PERST# assertion (for resetting endpoints) from core reset (for
  resetting the RC itself) to prepare for new DTs with PERST# GPIO in
  per-Root Port nodes (Sherry Sun)

- Retain the Root Port MSI capability on i.MX7D, i.MX8MM, and i.MX8MQ so
  MSI from downstream devices will work (Richard Zhu)

- Fix the i.MX95 reference clock source selection when internal refclk is
  used (Franz Schnyder)

* pci/controller/dwc-imx6:
  PCI: imx6: Fix reference clock source selection for i.MX95
  PCI: imx6: Keep Root Port MSI capability with iMSI-RX to work around hardware bug
  PCI: imx6: Separate PERST# assertion from core reset functions
  PCI: imx6: Change imx_pcie_deassert_core_reset() return type to void
  PCI: imx6: Skip waiting for L2/L3 Ready on i.MX6SX
  PCI: imx6: Fix device node reference leak in imx_pcie_probe()

diff --cc drivers/pci/controller/dwc/pci-imx6.c
Simple merge

diff --cc drivers/pci/controller/dwc/pcie-designware-host.c
Simple merge