dm: sound: exynos: Add support for max98090

Add support for this new codec which is used by pit.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/sound/Makefile b/drivers/sound/Makefile
index b088455..937df15 100644
--- a/drivers/sound/Makefile
+++ b/drivers/sound/Makefile
@@ -15,4 +15,5 @@
 obj-$(CONFIG_I2S)	+= sound-i2s.o
 endif
 obj-$(CONFIG_SOUND_WM8994)	+= wm8994.o
+obj-$(CONFIG_SOUND_MAX98090)	+= max98090.o maxim_codec.o
 obj-$(CONFIG_SOUND_MAX98095)	+= max98095.o maxim_codec.o