[RCAR] Fix the soundcard ak4613 audio sink.

[RCAR] Fix the soundcard ak4613 audio sink.

Now (RCAR BSP 4.1.0) the card ak4613 got two device (the new one is for
the hdmi), so we must specify the device in the wireplumber
configuration.

Bug-AGL: SPEC-3661

Signed-off-by: Ronan Le Martret <ronan.lemartret@iot.bzh>
Change-Id: I6fdf4fdc22d93a0558874e447ec5c4254f13d238
Signed-off-by: Ronan Le Martret <ronan.lemartret@iot.bzh>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/25510
Reviewed-by: Scott Murray <scott.murray@konsulko.com>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-boot-test: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>