Update docs for kvm-deploy
Update docs for kvm-deploy

Change-Id: If098d4aaed61e12219e5b3ebce637e07f664643a
(cherry picked from commit 24aca24c6b25e3e1939fb60a14e98da161ab5917)

Linaro/lava-server,Linaro/lava-server,Linaro/lava-server,Linaro/lava-server