[I/OAT]: DMA memcpy subsystem

Provides an API for offloading memory copies to DMA devices

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/Kconfig b/drivers/Kconfig
index aeb5ab2..8b11ceb 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -72,4 +72,6 @@
 
 source "drivers/rtc/Kconfig"
 
+source "drivers/dma/Kconfig"
+
 endmenu