USB: Add EXPORT_SYMBOL for usb_alloc_dev

usb_alloc_dev is used by lvstest driver now which can be built as
module. Therefore export usb_alloc_dev symbol.

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed