[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/arm/mach-omap2/serial.h b/src/kernel/linux/v4.19/arch/arm/mach-omap2/serial.h
new file mode 100644
index 0000000..c4014f0
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/arm/mach-omap2/serial.h
@@ -0,0 +1 @@
+#include <mach/serial.h>