MAINTAINERS: add entry for Altera mSGDMA

This entry is for the standalone driver in drivers/dma/altera-msgdma.c
Add myself as 'Odd fixes' maintainer for this driver as i am currently
writing new code and have access to the hardware.
Add Stefan Roese as reviewer.
Signed-off-by: Olivier Dautricourt <olivier.dautricourt@orolia.com>
Acked-by: Stefan Roese <sr@denx.de>
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr@denx.de
Link: https://lore.kernel.org/r/4258cb93e0f7ff57c4e116c3e8cd9a1a3159cec6.1623251990.git.olivier.dautricourt@orolia.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

MAINTAINERS

@@ -783,6 +783,14 @@ M:	Ley Foon Tan <ley.foon.tan@intel.com>
 S:	Maintained
 F:	drivers/mailbox/mailbox-altera.c
 
+ALTERA MSGDMA IP CORE DRIVER
+M:	Olivier Dautricourt <olivier.dautricourt@orolia.com>
+R:	Stefan Roese <sr@denx.de>
+L:	dmaengine@vger.kernel.org
+S:	Odd Fixes
+F:	Documentation/devicetree/bindings/dma/altr,msgdma.yaml
+F:	drivers/dma/altera-msgdma.c
+
 ALTERA PIO DRIVER
 M:	Joyce Ooi <joyce.ooi@intel.com>
 L:	linux-gpio@vger.kernel.org