api: Update OVF ToConfigSpec to handled unknown types

This patch updates the ToConfigSpec function in the `ovf` package
to handle unknown resource types and subtypes. There is now a strict
option that may be used to return errors on unknown types/subtypes,
otherwise they are ignored.

Signed-off-by: akutz <[email protected]>

Author: akutz

object/virtual_device_list.go

@@ -661,7 +661,7 @@ func (l VirtualDeviceList) FindCdrom(name string) (*types.VirtualCdrom, error) {
 }
 
 // CreateCdrom creates a new VirtualCdrom device which can be added to a VM.
-func (l VirtualDeviceList) CreateCdrom(c *types.VirtualIDEController) (*types.VirtualCdrom, error) {
+func (l VirtualDeviceList) CreateCdrom(c types.BaseVirtualController) (*types.VirtualCdrom, error) {
 	device := &types.VirtualCdrom{}
 
 	l.AssignController(device, c)