ARM: configs: enable XHCI mvebu support in mvebu_v7_defconfig

The Marvell Armada 38x platform needs the xhci_mvebu driver enabled
for the xHCI USB hosts, so this commit enables the corresponding
Kconfig option in mvebu_v7_defconfig.
Signed-off-by: NGregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1400149062-32661-13-git-send-email-gregory.clement@free-electrons.comSigned-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1400149062-32661-13-git-send-email-gregory.clement@free-electrons.comSigned-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_v7_defconfig

@@ -84,6 +84,7 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_MVEBU=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI_PXAV3=y
 CONFIG_MMC_MVSDIO=y