Documentation: HID: uhid editing & corrections

Do basic editing & correction to hid-alps.rst:
- correct a file name (.txt -> .rst)
- use less hyphenation when not needed
- fix grammar & punctuation
- fix article adjectives
- fix typos/spellos
- use HID instead of hid consistently

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>