drivers: hv: dxgkrnl: create a MAINTAINERS entry

Signed-off-by: Iouri Tarassov <iourit@linux.microsoft.com>

Author: Sasha Levin

MAINTAINERS

@@ -8190,6 +8190,12 @@ F:	Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt
 F:	drivers/mtd/hyperbus/
 F:	include/linux/mtd/hyperbus.h
 
+Hyper-V vGPU DRIVER
+M:	Iouri Tarassov <iourit@microsoft.com>
+L:	linux-hyperv@vger.kernel.org
+S:	Supported
+F:	drivers/hv/dxgkrnl/
+
 HYPERVISOR VIRTUAL CONSOLE DRIVER
 L:	linuxppc-dev@lists.ozlabs.org
 S:	Odd Fixes