ucm2: module - rename rk3399-gru-sound.conf => snd_soc_rk3399_gru_sound.conf

We are using the real kernel module name for the first level selection now.

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

diff --git a/ucm2/module/rk3399-gru-sound.conf b/ucm2/module/snd_soc_rk3399_gru_sound.conf
similarity index 100%
rename from ucm2/module/rk3399-gru-sound.conf
rename to ucm2/module/snd_soc_rk3399_gru_sound.conf