HID: Support for 3M multitouch panel

Add support for 3M multitouch panels.

Signed-off-by: Stephane Chatty <chatty@enac.fr>
[jkosina@suse.cz: fix build failure because of inconsistent 3M/MMM defines]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 24d90ea..a05133f 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -55,6 +55,13 @@
 menu "Special HID drivers"
 	depends on HID
 
+config HID_3M_PCT
+	tristate "3M PCT" if EMBEDDED
+	depends on USB_HID
+	default !EMBEDDED
+	---help---
+	Support for 3M PCT touch screens.
+
 config HID_A4TECH
 	tristate "A4 tech" if EMBEDDED
 	depends on USB_HID