MAINTAINERS: mtd: docg3: add docg3 maintainer

Add myself as maintainer of the NAND based MSystems DiskOnChip G3
driver.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 8133cef..9567329 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6824,6 +6824,12 @@
 S:	Maintained
 F:	drivers/media/usb/msi2500/
 
+MSYSTEMS DISKONCHIP G3 MTD DRIVER
+M:	Robert Jarzmik <robert.jarzmik@free.fr>
+L:	linux-mtd@lists.infradead.org
+S:	Maintained
+F:	drivers/mtd/devices/docg3*
+
 MT9M032 APTINA SENSOR DRIVER
 M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 L:	linux-media@vger.kernel.org