sh: Add support for AP-SH4AD-0A board.

This adds preliminary support for the alpha project AP-SH4AD-0A reference
platform (SH7786 based).

Additional platform information available at:

	http://www.apnet.co.jp/product/superh/ap-sh4ad-0a.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 116e437..6dd56c4 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -63,3 +63,4 @@
 KFR2R09			SH_KFR2R09
 ECOVEC			SH_ECOVEC
 APSH4A3A		SH_APSH4A3A
+APSH4AD0A		SH_APSH4AD0A