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

This reverts commit 35277f419b1dc0f8500d3ab4bceabf6cad05c76d.

We use the snd_acp3x_rn kernel module name again with the correct
sysfs lookup.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/ucm2/module/acp_pdm_mach.conf b/ucm2/module/snd_acp3x_rn.conf
similarity index 100%
rename from ucm2/module/acp_pdm_mach.conf
rename to ucm2/module/snd_acp3x_rn.conf