arm: mvebu: configs: ds414: Enable XHCI_PCI by default

With the recent fixes in pci_mvebu and xhci-pci drivers, the two rear
USB3 ports are finally usable and accessing them no longer hangs the
system.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/ds414_defconfig b/configs/ds414_defconfig
index 3e6dcec..4125592 100644
--- a/configs/ds414_defconfig
+++ b/configs/ds414_defconfig
@@ -65,5 +65,8 @@
 CONFIG_KIRKWOOD_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+# CONFIG_USB_XHCI_MVEBU is not set
+CONFIG_USB_XHCI_PCI=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y