HID: input: append a suffix matching the application

Given that we create one input node per application, we should name
the input node accordingly to not lose userspace.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

include/linux/hid.h

@@ -512,6 +512,7 @@ struct hid_input {
 	struct list_head list;
 	struct hid_report *report;
 	struct input_dev *input;
+	const char *name;
 	bool registered;
 	struct list_head reports;	/* the list of reports */
 };