MAINTAINERS: Add an entry for the HVF accelerator

Cc: Nikita Leshenko <nikita.leshchenko@oracle.com>
Cc: Sergio Andres Gomez Del Real <sergio.g.delreal@gmail.com>
Cc: Patrick Colp <patrick.colp@oracle.com>
Cc: Cameron Esfahani <dirty@apple.com>
Cc: Liran Alon <liran.alon@oracle.com>
Cc: Heiher <r@hev.cc>

Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200316171825.42544-1-r.bolshakov@yadro.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

MAINTAINERS

@@ -412,6 +412,13 @@ S: Supported
 F: target/i386/kvm.c
 F: scripts/kvm/vmxcap
 
+X86 HVF CPUs
+M: Roman Bolshakov <r.bolshakov@yadro.com>
+S: Maintained
+F: accel/stubs/hvf-stub.c
+F: target/i386/hvf/
+F: include/sysemu/hvf.h
+
 WHPX CPUs
 M: Sunil Muthuswamy <sunilmut@microsoft.com>
 S: Supported