arm: mvebu: Update defconfig to select USB support

Cc: Lior Amsalem <alior@marvell.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: NNobuhiro Iwamatsu <iwamatsu@nigauri.org>
Tested-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NEzequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_defconfig

@@ -44,7 +44,10 @@ CONFIG_I2C_MV64XXX=y
 CONFIG_SERIAL_8250_DW=y
 CONFIG_GPIOLIB=y
 CONFIG_GPIO_SYSFS=y
-# CONFIG_USB_SUPPORT is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_MMC=y
 CONFIG_MMC_MVSDIO=y
 CONFIG_NEW_LEDS=y