Add myself as contrib/elf2dmp maintainer and elf2dmp as maintained.
Signed-off-by: NViktor Prutyanov <viktor.prutyanov@phystech.edu>
Message-Id: <20180918095422.4468-1-viktor.prutyanov@phystech.edu>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>