MAINTAINERS: ioatdma, dmaengine and async_tx maintainers change

Shannon Nelson replaced by Maciej Sosnowski in maintanance of
INTEL I/OAT DMA DRIVER, DMA GENERIC ENGINE SUBSYSTEM
and ASYNCHRONOUS TRANSFERS/TRANSFORMS API.

Signed-off-by: Maciej Sosnowski <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/MAINTAINERS b/MAINTAINERS
index 962babe..f71f665 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -640,8 +640,8 @@
 ASYNCHRONOUS TRANSFERS/TRANSFORMS API
 P:	Dan Williams
 M:	[email protected]
-P:	Shannon Nelson
-M:	[email protected]
+P:	Maciej Sosnowski
+M:	[email protected]
 L:	[email protected]
 W:	http://sourceforge.net/projects/xscaleiop
 S:	Supported
@@ -1334,8 +1334,8 @@
 S:	Maintained
 
 DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
-P:	Shannon Nelson
-M:	[email protected]
+P:	Maciej Sosnowski
+M:	[email protected]
 P:	Dan Williams
 M:	[email protected]
 L:	[email protected]
@@ -2013,8 +2013,8 @@
 S:	Maintained
 
 INTEL I/OAT DMA DRIVER
-P:	Shannon Nelson
-M:	[email protected]
+P:	Maciej Sosnowski
+M:	[email protected]
 L:	[email protected]
 S:	Supported