sh: Add support shmin board

This adds support for the SHMIN SH7706 board(T-SH7706LAN).
The CPU of this board is SH7706.
There are SDRAM of 32M byte, Flash memory of 512K byte, Serial,
10Base Ether and MMC.

http://web.kyoto-inet.or.jp/people/takagaki/T-SH7706/T-SH7706.htm

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/shmin/Makefile b/board/shmin/Makefile
new file mode 100644
index 0000000..be04e2c
--- /dev/null
+++ b/board/shmin/Makefile
@@ -0,0 +1,49 @@
+#
+# Copyright (C) 2010 Nobuhiro Iwamatsu
+# Copyright (C) 2008 Renesas Solutions Corp.
+#
+# u-boot/board/shmin/Makefile
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	:= shmin.o
+SOBJS	:= lowlevel_init.o
+
+LIB	:= $(addprefix $(obj),$(LIB))
+OBJS	:= $(addprefix $(obj),$(OBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################