sh: no high level trigger on some sh3 cpus

The processor models sh7706, sh7707 and sh7709 don't support high
level trigger sense configuration. And the intc code looks like
crap these days so what's the difference.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/cpu/irq/intc.c b/arch/sh/kernel/cpu/irq/intc.c
index df36954..e5a4912 100644
--- a/arch/sh/kernel/cpu/irq/intc.c
+++ b/arch/sh/kernel/cpu/irq/intc.c
@@ -302,7 +302,12 @@
 	[IRQ_TYPE_EDGE_FALLING] = VALID(0),
 	[IRQ_TYPE_EDGE_RISING] = VALID(1),
 	[IRQ_TYPE_LEVEL_LOW] = VALID(2),
+	/* SH7706, SH7707 and SH7709 do not support high level triggered */
+#if !defined(CONFIG_CPU_SUBTYPE_SH7706) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7707) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7709)
 	[IRQ_TYPE_LEVEL_HIGH] = VALID(3),
+#endif
 };
 
 static int intc_set_sense(unsigned int irq, unsigned int type)