sh: RSK+ 7203 board support.

This adds initial support for the RTE RSK+ SH7203 board.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 8879938..83495882 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -477,6 +477,10 @@
 	  Select RTS7751R2D if configuring for a Renesas Technology
 	  Sales SH-Graphics board.
 
+config SH_RSK7203
+	bool "RSK7203"
+	depends on CPU_SUBTYPE_SH7203
+
 config SH_SDK7780
 	bool "SDK7780R3"
 	depends on CPU_SUBTYPE_SH7780