USB: Add drivers/usb/misc/iowarrior.c to the Makefile

This patch adds the new iowarrior module to the Makefile in drivers/usb.
Currently the module isn't build unless another driver from usb/misc is
selected.
Signed-off-by: Nico Erfurth <masta@perlgolf.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/Makefile

@@ -38,6 +38,7 @@ obj-$(CONFIG_USB_EMI26)		+= misc/
 obj-$(CONFIG_USB_EMI62)		+= misc/
 obj-$(CONFIG_USB_FTDI_ELAN)	+= misc/
 obj-$(CONFIG_USB_IDMOUSE)	+= misc/
+obj-$(CONFIG_USB_IOWARRIOR)	+= misc/
 obj-$(CONFIG_USB_LCD)		+= misc/
 obj-$(CONFIG_USB_LD)		+= misc/
 obj-$(CONFIG_USB_LED)		+= misc/