[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/arm/mach-shmobile/rcar-gen2.h b/src/kernel/linux/v4.19/arch/arm/mach-shmobile/rcar-gen2.h
new file mode 100644
index 0000000..4777fff
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/arm/mach-shmobile/rcar-gen2.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_RCAR_GEN2_H__
+#define __ASM_RCAR_GEN2_H__
+
+void rcar_gen2_timer_init(void);
+void rcar_gen2_reserve(void);
+void rcar_gen2_pm_init(void);
+
+#endif /* __ASM_RCAR_GEN2_H__ */