MAINTAINERS: Add myself as maintainer to X86 machines

Signed-off-by: NMarcel Apfelbaum <marcel@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

MAINTAINERS

@@ -852,6 +852,7 @@ X86 Machines
 ------------
 PC
 M: Michael S. Tsirkin <mst@redhat.com>
+M: Marcel Apfelbaum <marcel@redhat.com>
 S: Supported
 F: include/hw/i386/
 F: hw/i386/