KVM test: when available, use new syntax instead of -tftp, -bootp and -redir

In new qemu versions the tftp, bootp and redir options may be given as part of
the -net user option.  If the output of 'qemu -help' indicates that this syntax
is acceptable, use it instead of the old one.

Signed-off-by: Michael Goldish <mgoldish@redhat.com>


git-svn-id: http://test.kernel.org/svn/autotest/trunk@4716 592f7852-d20e-0410-864c-8624ca9c26a4
2 files changed