MAINTAINERS: Propose Henry Wang as the new release manager

ARM has proposed Henry Wang as a release manager for 4.17.  Signify
this by giving him maintainership over CHANGELOG.md.

Below is an introduction given by Bertrand Marquis:

Henry Wang is an open-source software engineer at Arm focusing on the
hypervisor and virtualization technology. Before joining the
AIS-Hypervisor team, he was one of the leading Arm contributors of the
Rust-VMM and the Cloud Hypervisor community.  He is the Arm reviewer
of the Cloud Hypervisor project. His work includes basic project
enabling on Arm platform, Arm device emulation, advanced features
support on Arm and bug fixes.

After joining the AIS-Hypervisor team at Arm, he has been involved in Xen feature
development on Arm in various areas, including:

1. Xen Arm MPAM extension research and PoC: Ongoing, the design will
share in xen-devel soon.

2. Port of Xen to Arm MPU systems: Working together with Penny Zheng
on coding and testing, will be soon sent to xen-devel.

3. Static Xen heap on Arm: Work done but depend on the direct mapping
series from Penny Zheng, will be upstreamed in the next weeks.

4. Virtio PoC for Xen on Arm using kvmtool as the Xen virtio backend:
Work done, including the enabling of the virtio and the virtio
performance tuning.

5. Participated in code reviews and discussions in xen-devel,
including the foreign memory mapping series from EPAM, etc.

Signed-off-by: George Dunlap <george.dunlap@citrix.com>
Acked-by: Henry Wang <Henry.Wang@arm.com>
Acked-by: Julien Grall <jgrall@amazon.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>

MAINTAINERS

@@ -255,6 +255,7 @@ S:	Supported
 F:	xen/drivers/passthrough/arm/smmu-v3.c
 
 Change Log
+M:	Henry Wang <Henry.Wang@arm.com>
 R:	Community Manager <community.manager@xenproject.org>
 S:	Maintained
 F:	CHANGELOG.md