usb: add driver for xsens motion trackers

Signed-off-by: Frans Klaver <frans.klaver@xsens.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 3b3e730..eaf5ca1 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -61,5 +61,6 @@
 obj-$(CONFIG_USB_SERIAL_WHITEHEAT)		+= whiteheat.o
 obj-$(CONFIG_USB_SERIAL_XIRCOM)			+= keyspan_pda.o
 obj-$(CONFIG_USB_SERIAL_VIVOPAY_SERIAL)		+= vivopay-serial.o
+obj-$(CONFIG_USB_SERIAL_XSENS_MT)		+= xsens_mt.o
 obj-$(CONFIG_USB_SERIAL_ZIO)			+= zio.o
 obj-$(CONFIG_USB_SERIAL_ZTE)			+= zte_ev.o