ucm2: Add config for Rockchip/rk3399-gru-sound
This is the internal card for a number of ChromeOS devices based on the
Gru board. Config is taken from ChromeOS sources [1] and modified to
mostly look like Rockchip/max98090. Tested on a Samsung Chromebook Plus
(rk3399-gru-kevin) running Linux 5.7+.
[1] https://chromium.googlesource.com/chromiumos/overlays/board-overlays/+/
75cf7da335c11469956c84ddfa4e2ca73b268441/overlay-kevin/chromeos-base/chromeos-bsp-kevin/files/audio-config/ucm-config/rk3399-gru-sound
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>