Revert "arm: Remove nsa310s board"

While this platform has not yet been converted, there is active efforts
to do so.  Keep the platform for now.

This reverts commit aa697e6904ba1b3144a46ec642d4695e7c0cdc3e.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/nsa310s.h b/include/configs/nsa310s.h
new file mode 100644
index 0000000..e38c65a
--- /dev/null
+++ b/include/configs/nsa310s.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2015
+ * Gerald Kerma <dreagle@doukki.net>
+ * Tony Dinh <mibodhi@gmail.com>
+ * Luka Perkov <luka.perkov@sartura.hr>
+ */
+
+#ifndef _CONFIG_NSA310S_H
+#define _CONFIG_NSA310S_H
+
+/* high level configuration options */
+#define CONFIG_FEROCEON_88FR131	1	/* CPU Core subversion */
+#define CONFIG_KW88F6192		1	/* SOC Name */
+#define CONFIG_KW88F6702		1	/* SOC Name */
+#define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
+
+#include "mv-common.h"
+
+/* environment variables configuration */
+
+/* default environment variables */
+#define CONFIG_BOOTCOMMAND \
+	"setenv bootargs ${console} ${mtdparts} ${bootargs_root}; " \
+	"ubi part root; " \
+	"ubifsmount ubi:rootfs; " \
+	"ubifsload 0x800000 ${kernel}; " \
+	"ubifsload 0x700000 ${fdt}; " \
+	"ubifsumount; " \
+	"fdt addr 0x700000; fdt resize; fdt chosen; " \
+	"bootz 0x800000 - 0x700000"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"console=console=ttyS0,115200\0" \
+	"mtdids=nand0=orion_nand\0" \
+	"mtdparts="CONFIG_MTDPARTS_DEFAULT \
+	"kernel=/boot/zImage\0" \
+	"fdt=/boot/nsa310s.dtb\0" \
+	"bootargs_root=ubi.mtd=3 root=ubi0:rootfs rootfstype=ubifs rw\0"
+
+/* Ethernet driver configuration */
+#ifdef CONFIG_CMD_NET
+#define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
+#define CONFIG_PHY_BASE_ADR	1
+#define CONFIG_RESET_PHY_R
+#endif /* CONFIG_CMD_NET */
+
+/* SATA driver configuration */
+#ifdef CONFIG_IDE
+#define __io
+#define CONFIG_SYS_ATA_IDE0_OFFSET	MV_SATA_PORT0_OFFSET
+#endif /* CONFIG_IDE */
+
+/* RTC driver configuration */
+#ifdef CONFIG_CMD_DATE
+#define CONFIG_RTC_MV
+#endif /* CONFIG_CMD_DATE */
+
+#endif /* _CONFIG_NSA310S_H */