CR-1221968 Fix invalid priority error throw (#8643)

Signed-off-by: Ryan Chane <[email protected]>

src/runtime_src/core/common/query_requests.h

@@ -1798,7 +1798,7 @@ struct aie_partition_info : request
       case 640: //0x280
         return "Low";
       default:
-        throw xrt_core::system_error(EINVAL, "Invalid priority status: " + std::to_string(prio_status));
+        return "N/A";
     }
   }
 };