HID: core: fix hid delimiter local tag parsing.

When device with the DELIMITER tag in its report descriptor is encountered
during parsing, it's mistakenly immediately refused by HID core for no
justifiable reason.

[jkosina@suse.cz: polish changelog]
Signed-off-by: Paul Chavent <paul.chavent@onera.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>