KVM Test: Make login timeout configurable

Add login_timeout parameter to make login timeout configurable.
Currently default timeout value is 240s. It is always not enough,
many case fail foer could not boot up in 240s in our testing.

Signed-off-by: Feng Yang <fyang@redhat.com>


git-svn-id: http://test.kernel.org/svn/autotest/trunk@4633 592f7852-d20e-0410-864c-8624ca9c26a4
15 files changed