sh: Add EcoVec (SH7724) board support

This adds preliminary support for the EcoVec board.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index db04c85..b66f6d1 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -200,6 +200,13 @@
 	help
 	  "Kit For R2R for 2009" support.
 
+config SH_ECOVEC
+	bool "EcoVec"
+	depends on CPU_SUBTYPE_SH7724
+	select ARCH_REQUIRE_GPIOLIB
+	help
+	  Renesas "R0P7724LC0011/21RL (EcoVec)" support.
+
 config SH_SH7763RDP
 	bool "SH7763RDP"
 	depends on CPU_SUBTYPE_SH7763