sh: shmin updates.

This fixes up shmin (and SH7706/SH7708) IPR support for some of the
recent API changes.

Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/mm/Kconfig

@@ -72,6 +72,7 @@ config CPU_SUBTYPE_SH7705
 config CPU_SUBTYPE_SH7706
 	bool "Support SH7706 processor"
 	select CPU_SH3
+	select CPU_HAS_IPR_IRQ
 	help
 	  Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
 
@@ -92,6 +93,7 @@ config CPU_SUBTYPE_SH7708
 config CPU_SUBTYPE_SH7709
 	bool "Support SH7709 processor"
 	select CPU_SH3
+	select CPU_HAS_IPR_IRQ
 	select CPU_HAS_PINT_IRQ
 	help
 	  Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.