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/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 5389885..027da45 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -210,6 +210,7 @@
 CONFIG_SMEM=y
 CONFIG_SANDBOX_SMEM=y
 CONFIG_SOUND=y
+CONFIG_SOUND_DA7219=y
 CONFIG_SOUND_SANDBOX=y
 CONFIG_SANDBOX_SPI=y
 CONFIG_SPMI=y