sh: Add support for AP-SH4A-3A board.

This adds preliminary support for the alpha project AP-SH4A-3A reference
platform (SH7785 based).

Additional paltform information available at:

	http://www.apnet.co.jp/product/superh/ap-sh4a-3a.html

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/Kconfig

@@ -323,6 +323,13 @@ config SH_SH2007
 	  Compact Flash socket, two serial ports and PC-104 bus.
 	  More information at <http://sh2000.sh-linux.org>.
 
+config SH_APSH4A3A
+	bool "AP-SH4A-3A"
+	select SH_ALPHA_BOARD
+	depends on CPU_SUBTYPE_SH7785
+	help
+	  Select AP-SH4A-3A if configuring for an ALPHAPROJECT AP-SH4A-3A.
+
 endmenu
 
 source "arch/sh/boards/mach-r2d/Kconfig"