[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/arm/mach-exynos/exynos-smc.S b/src/kernel/linux/v4.19/arch/arm/mach-exynos/exynos-smc.S
new file mode 100644
index 0000000..d259532
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/arm/mach-exynos/exynos-smc.S
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2012 Samsung Electronics.
+ *
+ * Copied from omap-smc.S Copyright (C) 2010 Texas Instruments, Inc.
+ */
+
+#include <linux/linkage.h>
+
+/*
+ * Function signature: void exynos_smc(u32 cmd, u32 arg1, u32 arg2, u32 arg3)
+ */
+
+ENTRY(exynos_smc)
+	stmfd	sp!, {r4-r11, lr}
+	dsb
+	smc	#0
+	ldmfd	sp!, {r4-r11, pc}
+ENDPROC(exynos_smc)