ARM: rmobile: Add R8A77995 D3 Draak board

Add bits to support yet another board, the R8A77995 D3 Draak.
The DT file is from Linux 4.15-rc1 , commit
b35334447513c14a4dd55a67c269a743d4a4824b .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index f22cd52..6112d79 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -21,6 +21,11 @@
 	prompt "Renesus ARM64 SoCs board select"
 	optional
 
+config TARGET_DRAAK
+	bool "Draak board"
+	help
+          Support for Renesas R-Car Gen3 Draak platform
+
 config TARGET_EAGLE
 	bool "Eagle board"
 	help
@@ -41,6 +46,7 @@
 config SYS_SOC
 	default "rmobile"
 
+source "board/renesas/draak/Kconfig"
 source "board/renesas/eagle/Kconfig"
 source "board/renesas/salvator-x/Kconfig"
 source "board/renesas/ulcb/Kconfig"