[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/include/dt-bindings/display/tda998x.h b/src/kernel/linux/v4.19/include/dt-bindings/display/tda998x.h
new file mode 100644
index 0000000..746831f
--- /dev/null
+++ b/src/kernel/linux/v4.19/include/dt-bindings/display/tda998x.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _DT_BINDINGS_TDA998X_H
+#define _DT_BINDINGS_TDA998X_H
+
+#define TDA998x_SPDIF	1
+#define TDA998x_I2S	2
+
+#endif /*_DT_BINDINGS_TDA998X_H */