ppc440spe-adma: adds updated ppc440spe adma driver

This patch adds new version of the PPC440SPe ADMA driver.

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 24cdd20..fe93d70 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -116,6 +116,17 @@
 	help
 	  Enable support for ST-Ericsson COH 901 318 DMA.
 
+config AMCC_PPC440SPE_ADMA
+	tristate "AMCC PPC440SPe ADMA support"
+	depends on 440SPe || 440SP
+	select DMA_ENGINE
+	select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
+	help
+	  Enable support for the AMCC PPC440SPe RAID engines.
+
+config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
+	bool
+
 config DMA_ENGINE
 	bool