pci: rockchip: Switch to generic-phy

Now, we have a PCIe PHY driver as part of the Generic
PHY framework. Let's use it instead of legacy PHY driver.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 7e1e51d9..ff974e5 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -200,6 +200,7 @@
 config PCIE_ROCKCHIP
 	bool "Enable Rockchip PCIe driver"
 	select DM_PCI
+	select PHY_ROCKCHIP_PCIE
 	default y if ROCKCHIP_RK3399
 	help
 	  Say Y here if you want to enable PCIe controller support on