Allow location_type to use name for lookup

Currently location_types that use the name to reference the related
object will always report as "changed" since it compares the name with
the ID of the existing location_type. Updated to convert name to ID.

plugins/module_utils/utils.py

@@ -112,6 +112,7 @@
     installed_device="name",
     import_targets="name",
     location="name",
+    location_type="name",
     manufacturer="name",
     master="name",
     nat_inside="address",
@@ -175,6 +176,7 @@
     "ipaddresses": "ip_addresses",
     "lag": "interfaces",
     "location": "locations",
+    "location_type": "location_types",
     "manufacturer": "manufacturers",
     "master": "devices",
     "nat_inside": "ip_addresses",