[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/input/mouse/byd.h b/src/kernel/linux/v4.19/drivers/input/mouse/byd.h
new file mode 100644
index 0000000..8cb90d9
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/input/mouse/byd.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BYD_H
+#define _BYD_H
+
+#ifdef CONFIG_MOUSE_PS2_BYD
+int byd_detect(struct psmouse *psmouse, bool set_properties);
+int byd_init(struct psmouse *psmouse);
+#else
+static inline int byd_detect(struct psmouse *psmouse, bool set_properties)
+{
+	return -ENOSYS;
+}
+static inline int byd_init(struct psmouse *psmouse)
+{
+	return -ENOSYS;
+}
+#endif /* CONFIG_MOUSE_PS2_BYD */
+
+#endif /* _BYD_H */