kbd: upgrade 2.7.1 -> 2.8.0
(From OE-Core rev: 14f3e3c59a503b2c7b8287ad627bca44802a3c4a)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>