MAINTAINERS: Update maintainers for HISILICON ROCE DRIVER

Add myself as a maintainer for HNS RoCE drivers, and update Xavier's
e-amil address.

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Weihang Li <[email protected]>
Acked-by: Wei Hu (Xavier) <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>

Author: Weihang Li

MAINTAINERS

@@ -7575,7 +7575,8 @@ F:	Documentation/admin-guide/perf/hisi-pmu.rst
 
 HISILICON ROCE DRIVER
 M:	Lijun Ou <[email protected]>
-M:	Wei Hu(Xavier) <[email protected]>
+M:	Wei Hu(Xavier) <[email protected]>
+M:	Weihang Li <[email protected]>
 L:	[email protected]
 S:	Maintained
 F:	drivers/infiniband/hw/hns/