configs: rk3328: config xhci controller

Add config of max root ports and add config to enable xhci
controller.

Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/evb-rk3328_defconfig b/configs/evb-rk3328_defconfig
index a4312b2..57aee02 100644
--- a/configs/evb-rk3328_defconfig
+++ b/configs/evb-rk3328_defconfig
@@ -39,3 +39,6 @@
 CONFIG_USB_EHCI_GENERIC=y
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_OHCI_GENERIC=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_RK=y