sound: Add an ACPI driver for Dialog Semicondutor da7219

This chip is used on coral and we need to generate ACPI tables for sound
to make it work. Add a driver that does just this (i.e. at present does
not actually support playing sound).

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/sound/Makefile b/drivers/sound/Makefile
index 73ed7fe..8c3933a 100644
--- a/drivers/sound/Makefile
+++ b/drivers/sound/Makefile
@@ -7,6 +7,7 @@
 obj-$(CONFIG_SOUND)	+= codec-uclass.o
 obj-$(CONFIG_SOUND)	+= i2s-uclass.o
 obj-$(CONFIG_SOUND)	+= sound-uclass.o
+obj-$(CONFIG_SOUND_DA7219)	+= da7219.o
 obj-$(CONFIG_I2S_SAMSUNG)	+= samsung-i2s.o
 obj-$(CONFIG_SOUND_SANDBOX)	+= sandbox.o
 obj-$(CONFIG_I2S_ROCKCHIP)	+= rockchip_i2s.o rockchip_sound.o