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>
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 765cf79..116e437 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -62,3 +62,4 @@
 POLARIS			SH_POLARIS
 KFR2R09			SH_KFR2R09
 ECOVEC			SH_ECOVEC
+APSH4A3A		SH_APSH4A3A