restapi: Fixing action host install parameters

Adding to yaml all missing ssh fields for action install.

Change-Id: If72e4744d370e16e6eaf310fe25907872c726af2
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1013637
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>