sh: Add ms7724se (SH7724) board support

This adds preliminary support for the ms7724se solution engine 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/mach-se/Makefile b/arch/sh/boards/mach-se/Makefile
index 2de42ba..b537e23 100644
--- a/arch/sh/boards/mach-se/Makefile
+++ b/arch/sh/boards/mach-se/Makefile
@@ -7,3 +7,4 @@
 obj-$(CONFIG_SH_7780_SOLUTION_ENGINE)	+= 7780/
 obj-$(CONFIG_SH_7343_SOLUTION_ENGINE)	+= 7343/
 obj-$(CONFIG_SH_7721_SOLUTION_ENGINE)	+= 7721/
+obj-$(CONFIG_SH_7724_SOLUTION_ENGINE)	+= 7724/