HID: hid-lg4ff: Update respective sysfs interface documentation

Update respective sysfs interface documentation
- Refer to the sysfs interface for "range" using "/sys/bus/..."
- Update contact email address
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff

-What:		/sys/module/hid_logitech/drivers/hid:logitech/<dev>/range.
+What:		/sys/bus/hid/drivers/logitech/<dev>/range
 Date:		July 2011
 KernelVersion:	3.2
-Contact:	Michal Malý <madcatxster@gmail.com>
+Contact:	Michal Malý <madcatxster@devoid-pointer.net>
 Description:	Display minimum, maximum and current range of the steering
 		wheel. Writing a value within min and max boundaries sets the
 		range of the wheel.
@@ -9,7 +9,7 @@ Description:	Display minimum, maximum and current range of the steering
 What:		/sys/bus/hid/drivers/logitech/<dev>/alternate_modes
 Date:		Feb 2015
 KernelVersion:	4.1
-Contact:	Michal Malý <madcatxster@gmail.com>
+Contact:	Michal Malý <madcatxster@devoid-pointer.net>
 Description:	Displays a set of alternate modes supported by a wheel. Each
 		mode is listed as follows:
 		  Tag: Mode Name
@@ -45,7 +45,7 @@ Description:	Displays a set of alternate modes supported by a wheel. Each
 What:		/sys/bus/hid/drivers/logitech/<dev>/real_id
 Date:		Feb 2015
 KernelVersion:	4.1
-Contact:	Michal Malý <madcatxster@gmail.com>
+Contact:	Michal Malý <madcatxster@devoid-pointer.net>
 Description:	Displays the real model of the wheel regardless of any
 		alternate mode the wheel might be switched to.
 		It is a read-only value.