libqa: Use a bootloader prompt by default (and bump timeout to 3s)
libqa: Use a bootloader prompt by default (and bump timeout to 3s)

This was the intention, but we need to specify PROMPT 1 to have
it take effect.

chergert/gnome-continuous,chergert/gnome-continuous,vrutkovs/vrutkovs.github.io,vrutkovs/vrutkovs.github.io,vrutkovs/vrutkovs.github.io,chergert/gnome-continuous