skyring: Corrected request structure during partial failure
skyring: Corrected request structure during partial failure

While partial failure for package installation on
nodes in create cluster request, the request sent
to storage provider was incorrect. Corrected the
same.

Change-Id: I444329edb52e56f0e1f7cc3989eebea804b71ea7
Signed-off-by: Shubhendu <abf833e62503b33bb0dfae62bb381d87d91f8de1@redhat.com>

skyrings/skyring,skyrings/skyring,skyrings/skyring,skyrings/skyring