sh: Consolidate rsk7203/7201 in to a new mach-rsk.

RSK+ platforms have quite a few characteristics in common, so roll them
together in to a shiny new RSK mach-type.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 2bf3f6c..8619147 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -126,14 +126,12 @@
 	  Select RTS7751R2D if configuring for a Renesas Technology
 	  Sales SH-Graphics board.
 
-config SH_RSK7201
-	bool "RSK7201"
-	depends on CPU_SUBTYPE_SH7201
-
-config SH_RSK7203
-	bool "RSK7203"
-	select GENERIC_GPIO
-	depends on CPU_SUBTYPE_SH7203
+config SH_RSK
+	bool "Renesas Starter Kit"
+	depends on CPU_SUBTYPE_SH7201 || CPU_SUBTYPE_SH7203
+	help
+	 Select this option if configuring for any of the RSK+ MCU
+	 evaluation platforms.
 
 config SH_SDK7780
 	bool "SDK7780R3"
@@ -257,6 +255,7 @@
 source "arch/sh/boards/mach-highlander/Kconfig"
 source "arch/sh/boards/mach-sdk7780/Kconfig"
 source "arch/sh/boards/mach-migor/Kconfig"
+source "arch/sh/boards/mach-rsk/Kconfig"
 
 if SH_MAGIC_PANEL_R2