Fix legacy single driver function assignment for versioning (#467)

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

Author: nrspruit

scripts/templates/ldrddi.cpp.mako

@@ -710,11 +710,19 @@ ${tbl['export']['name']}(
         else
         {
             // return pointers directly to driver's DDIs
-            %if namespace != "zes":
-            *pDdiTable = loader::context->zeDrivers.front().dditable.${n}.${tbl['name']};
-            %else:
-            *pDdiTable = loader::context->sysmanInstanceDrivers->front().dditable.${n}.${tbl['name']};
+            %for obj in tbl['functions']:
+            if (version >= ${th.get_version(obj)}) {
+            %if 'condition' in obj:
+        #if ${th.subt(n, tags, obj['condition'])}
+            %endif
+                pDdiTable->${th.append_ws(th.make_pfn_name(n, tags, obj), 43)} = firstDriver->dditable.${n}.${tbl['name']}.${th.make_pfn_name(n, tags, obj)};
+            %if 'condition' in obj:
+        #else
+                pDdiTable->${th.append_ws(th.make_pfn_name(n, tags, obj), 43)} = nullptr;
+        #endif
             %endif
+            }
+            %endfor
         }
     }