[L0] Fix DeviceInfo global mem free to report unsupported given MemCo…

…unt==0

- If there are no memory modules from zesDeviceEnumMemoryModules, then
  we cannot query the free memory from level zero and we do not support
  reporting free memory thru this api on this platform/os.

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

source/adapters/level_zero/device.cpp

@@ -718,7 +718,11 @@ UR_APIEXPORT ur_result_t UR_APICALL urDeviceGetInfo(
         }
       }
     }
-    return ReturnValue(std::min(GlobalMemSize, FreeMemory));
+    if (MemCount > 0) {
+      return ReturnValue(std::min(GlobalMemSize, FreeMemory));
+    } else {
+      return UR_RESULT_ERROR_UNSUPPORTED_FEATURE;
+    }
   }
   case UR_DEVICE_INFO_MEMORY_CLOCK_RATE: {
     // If there are not any memory modules then return 0.