HID: apple: Add 2021 magic keyboard FN key mapping

commit 531cb569 upstream.

The new 2021 apple models have a different FN key assignment. Add a new
translation table and use that for the 2021 magic keyboard.

Signed-off-by: Benjamin Berg <bberg@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cc: Aseda Aboagye <aaboagye@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>