ARM: defconfig: drop CONFIG_USB_FSL_USB2

USB_FSL_USB2 is no longer available for Arm platforms and
was replaced by the chipidea driver.

Fixes: a390bef7 ("usb: gadget: fsl_mxc_udc: Remove the driver")
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/multi_v7_defconfig

@@ -869,7 +869,6 @@ CONFIG_USB_GPIO_VBUS=y
 CONFIG_USB_ISP1301=y
 CONFIG_USB_MXS_PHY=y
 CONFIG_USB_GADGET=y
-CONFIG_USB_FSL_USB2=y
 CONFIG_USB_RENESAS_USBHS_UDC=m
 CONFIG_USB_ASPEED_VHUB=m
 CONFIG_USB_CONFIGFS=m