package/kodi-audioencoder-vorbis: New package

[Thomas: removed dependency on BR2_PACKAGE_KODI_OPTICALDRIVE from the
package Config.in, since it is already only included if
BR2_PACKAGE_KODI_OPTICALDRIVE is enabled.]

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>