lava-expect: fix spm-linux-uart0 command line sequence

CI jobs are failing due to wrongly placed input commands: commands
must be sent once the (login or shell) prompt is reached, not
before, otherwise commands are sent too early and never executed.

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I39dcae6a1370f637f71e4f48ca7ba20ab9a01a13
1 file changed