sh: Add support for SH7706/SH7710/SH7343 CPUs.

This adds support for the aforementioned CPU subtypes, and cleans
up some build issues encountered as a result.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/hp6xx/setup.c b/arch/sh/boards/hp6xx/setup.c
index 5fc00f0..629016b 100644
--- a/arch/sh/boards/hp6xx/setup.c
+++ b/arch/sh/boards/hp6xx/setup.c
@@ -8,10 +8,11 @@
  *
  * Setup code for an HP680  (internal peripherials only)
  */
-
+#include <linux/types.h>
 #include <linux/init.h>
-#include <asm/io.h>
 #include <asm/hd64461.h>
+#include <asm/io.h>
+#include <asm/irq.h>
 #include <asm/hp6xx/hp6xx.h>
 #include <asm/cpu/dac.h>