Add LUFA mouse feature and fix mouse report.

- add LUFA boot mouse feature
- remove report_id from mouse report
- fix LUFA descriptor

keyboard/lufa/Makefile

@@ -132,6 +132,14 @@ SRC +=	keymap.c \
 CONFIG_H = config.h
 
 
+# Build Options
+#   comment out to disable the options.
+#
+MOUSEKEY_ENABLE = yes	# Mouse keys
+#PS2_MOUSE_ENABLE = yes	# PS/2 mouse(TrackPoint) support
+#EXTRAKEY_ENABLE = yes	# Audio control and System control
+#NKRO_ENABLE = yes	# USB Nkey Rollover
+
 
 # LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY