pci: pcie_dw_rockchip: migrate to common Designware PCIe functions

Migrate the dw_rockchip driver to use the common DW PCIe helpers.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 318d8fa..cacfc4b 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -289,7 +289,7 @@
 config PCIE_DW_ROCKCHIP
 	bool "Rockchip DesignWare based PCIe controller"
 	depends on ARCH_ROCKCHIP
-	select DM_PCI
+	select PCIE_DW_COMMON
 	select PHY_ROCKCHIP_SNPS_PCIE3
 	help
 	  Say Y here if you want to enable DW PCIe controller support on