sh: dma-sh updates for multi IRQ and new SH-4A CPUs.

This adds DMA support for newer SH-4A CPUs, particularly SH7763/64/80/85.

This also enables multi IRQ support for platforms that have multiple
vectors bound to the same IRQ source.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 0193636..57d95fc 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -12,10 +12,10 @@
 config NR_ONCHIP_DMA_CHANNELS
 	int
 	depends on SH_DMA
-	default "6" if CPU_SUBTYPE_SH7720 || CPU_SUBTYPE_SH7721
-	default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R
-	default "12" if CPU_SUBTYPE_SH7780
-	default "4"
+	default "4" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7750S
+	default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || CPU_SUBTYPE_SH7760
+	default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
+	default "6"
 	help
 	  This allows you to specify the number of channels that the on-chip
 	  DMAC supports. This will be 4 for SH7750/SH7751 and 8 for the