MAINTAINERS: idxd driver maintainer update

Add Fenghua as maintainer of the idxd driver.
Signed-off-by: NFenghua Yu <fenghua.yu@intel.com>
Signed-off-by: NDave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20220615232651.177098-1-fenghua.yu@intel.comSigned-off-by: NVinod Koul <vkoul@kernel.org>

MAINTAINERS

@@ -9935,7 +9935,8 @@ S:	Supported
 Q:	https://patchwork.kernel.org/project/linux-dmaengine/list/
 F:	drivers/dma/ioat*
 
-INTEL IADX DRIVER
+INTEL IDXD DRIVER
+M:	Fenghua Yu <fenghua.yu@intel.com>
 M:	Dave Jiang <dave.jiang@intel.com>
 L:	dmaengine@vger.kernel.org
 S:	Supported