[PATCH] USB: usbtouchscreen: unified USB touchscreen driver

A new single driver for various USB touchscreen devices. It currently
supports:
- eGalax TouchKit
- PanJit TouchSet
- 3M/Microtouch
- ITM Touchscreens

Support for the diffent devices can be enabled/disable when CONFIG_EMBEDDED
is set.

Sizes for comparision:
   text    data     bss     dec     hex filename
   2942     724       4    3670     e56 touchkitusb.ko
   2647     660       0    3307     ceb mtouchusb.ko
   2448     628       0    3076     c04 itmtouch.ko
   4145    1012      12    5169    1431 usbtouchscreen.ko

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/input/Makefile b/drivers/usb/input/Makefile
index d512d9f..7641145 100644
--- a/drivers/usb/input/Makefile
+++ b/drivers/usb/input/Makefile
@@ -37,6 +37,7 @@
 obj-$(CONFIG_USB_MTOUCH)	+= mtouchusb.o
 obj-$(CONFIG_USB_ITMTOUCH)	+= itmtouch.o
 obj-$(CONFIG_USB_EGALAX)	+= touchkitusb.o
+obj-$(CONFIG_USB_TOUCHSCREEN)	+= usbtouchscreen.o
 obj-$(CONFIG_USB_POWERMATE)	+= powermate.o
 obj-$(CONFIG_USB_WACOM)		+= wacom.o
 obj-$(CONFIG_USB_ACECAD)	+= acecad.o