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/include/configs/draak.h b/include/configs/draak.h
new file mode 100644
index 0000000..392ba4a
--- /dev/null
+++ b/include/configs/draak.h
@@ -0,0 +1,47 @@
+/*
+ * include/configs/draak.h
+ *     This file is Draak board configuration.
+ *
+ * Copyright (C) 2015 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __DRAAK_H
+#define __DRAAK_H
+
+#undef DEBUG
+
+#include "rcar-gen3-common.h"
+
+/* Ethernet RAVB */
+#define CONFIG_NET_MULTI
+#define CONFIG_BITBANGMII
+#define CONFIG_BITBANGMII_MULTI
+
+/* Board Clock */
+/* XTAL_CLK : 33.33MHz */
+#define CONFIG_SYS_CLK_FREQ	33333333u
+
+/* Generic Timer Definitions (use in assembler source) */
+#define COUNTER_FREQUENCY	0xFE502A	/* 16.66MHz from CPclk */
+
+/* Environment in eMMC, at the end of 2nd "boot sector" */
+#define CONFIG_ENV_OFFSET		(-CONFIG_ENV_SIZE)
+#define CONFIG_SYS_MMC_ENV_DEV		1
+#define CONFIG_SYS_MMC_ENV_PART		2
+
+#define CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_FLASH_CFI_MTD
+#define CONFIG_FLASH_SHOW_PROGRESS	45
+#define CONFIG_MTD_DEVICE
+#define CONFIG_SYS_FLASH_BANKS_LIST	{ 0x08000000 }
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT	1
+#define CONFIG_SYS_MAX_FLASH_SECT	256
+#define CONFIG_SYS_WRITE_SWAPPED_DATA
+#define CONFIG_CMD_CACHE
+
+#endif /* __DRAAK_H */