sh: Solution Engine SH7705 board and CPU updates.

This fixes up SH7705 CPU support and the SE7705 board
for some of the recent changes.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.zh@hitachi.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 5359f3d..12f3d39 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -67,6 +67,7 @@
 config CPU_SUBTYPE_SH7705
 	bool "Support SH7705 processor"
 	select CPU_SH3
+	select CPU_HAS_IPR_IRQ
 	select CPU_HAS_PINT_IRQ
 
 config CPU_SUBTYPE_SH7706