amd/renoir/acp: use the machine driver's name for top-level's conf

[GitHub pull_request - opened]

alsa-project/alsa-ucm-conf pull request #41 was opened from jason77-wang:

On the machines with amd renoir audio, the /sys/class/sound/card2/
device/driver links to /sys/bus/platform/drivers/acp_pdm_mach.

Signed-off-by: Hui Wang <hui.wang at canonical.com>

Request URL   : https://github.com/alsa-project/alsa-ucm-conf/pull/41
Patch URL     : https://github.com/alsa-project/alsa-ucm-conf/pull/41.patch
Repository URL: https://github.com/alsa-project/alsa-ucm-conf