ARM: uniphier: enable DWC3 xHCI driver

Enable CONFIGs for the DWC3 core and the UniPhier specific glue layer.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>

configs/uniphier_v7_defconfig

@@ -48,4 +48,6 @@ CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_UNIPHIER=y
 CONFIG_USB_STORAGE=y

configs/uniphier_v8_defconfig

@@ -45,4 +45,6 @@ CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_UNIPHIER=y
 CONFIG_USB_STORAGE=y