sh: Add SH7720 CPU support.

This adds support for the SH7720 (SH3-DSP) CPU.

Signed-off by: Markus Brunner <super.firetwister@gmail.com>
Signed-off by: Mark Jonas <toertel@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 06ed060..6e5f16c 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -24,13 +24,18 @@
 	DMTE1_IRQ,
 	DMTE2_IRQ,
 	DMTE3_IRQ,
-#if defined(CONFIG_CPU_SUBTYPE_SH7751R) ||	\
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)  ||	\
+    defined(CONFIG_CPU_SUBTYPE_SH7751R) ||	\
     defined(CONFIG_CPU_SUBTYPE_SH7760)  ||	\
     defined(CONFIG_CPU_SUBTYPE_SH7780)
 	DMTE4_IRQ,
 	DMTE5_IRQ,
+#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7751R) ||	\
+    defined(CONFIG_CPU_SUBTYPE_SH7760)  ||	\
+    defined(CONFIG_CPU_SUBTYPE_SH7780)
 	DMTE6_IRQ,
-	DMTE7_IRQ,    
+	DMTE7_IRQ,
 #endif
 };
 
@@ -196,7 +201,8 @@
 	return ctrl_inl(DMATCR[chan->chan]) << calc_xmit_shift(chan);
 }
 
-#ifdef CONFIG_CPU_SUBTYPE_SH7780
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7780)
 #define dmaor_read_reg()	ctrl_inw(DMAOR)
 #define dmaor_write_reg(data)	ctrl_outw(data, DMAOR)
 #else