[RCAR] adjust asound.state for new Cogent BSP 3.21/YP3.1

[RCAR] adjust asound.state for new Cogent BSP 3.21/YP3.1

The meta-rcar has a patch that change the name of the sound card.
Reintroduce the Cogent layer "meta-rcar" into AGL mean adjust the sound card name.

Bug-AGL: SPEC-3463
Change-Id: I4ff025752314fdbebbdae39c66280943304daefc
Signed-off-by: Ronan Le Martret <ronan.lemartret@iot.bzh>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/24760
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>