Override memory_for_request

PowerVS uses the more typical Flavor style of memory allocation for SAP
profiles. For non SAP profiles, the Flavor only sets the host type and
the user is allowed to request any amount of memory.

app/models/manageiq/providers/ibm_cloud/power_virtual_servers/cloud_manager/template.rb

@@ -59,6 +59,15 @@ def raw_delete_image
  _log.error("image=[#{name}], error: #{e}")
  end
 
+ def memory_for_request(request)
+ flavor_obj = Flavor.find_by(:ems_id => ems_id, :name => request.options[:sys_type][1])
+ if flavor_obj.is_a?(ManageIQ::Providers::IbmCloud::PowerVirtualServers::CloudManager::SAPProfile)
+ flavor_obj.try(:memory)
+ else
+ request.get_option(:vm_memory).to_i * 1.gigabytes
+ end
+ end
+
  def number_of_cpus_for_request(request)
  flavor_obj = Flavor.find_by(:ems_id => ems_id, :name => request.options[:sys_type][1])
  if flavor_obj.is_a?(ManageIQ::Providers::IbmCloud::PowerVirtualServers::CloudManager::SAPProfile)