MAINTAINERS: idxd driver maintainer update

mainline inclusion
from mainline-v6.0
commit 5dc86388
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I596WO


CVE: NA

Intel-SIG: commit 5dc86388 MAINTAINERS: idxd driver maintainer update.
Incremental backporting patches for DSA/IAA on Intel Xeon platform.

--------------------------------

Add Fenghua as maintainer of the idxd driver.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20220615232651.177098-1-fenghua.yu@intel.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com>