dmnt2: add memory-map read, improve module shared-lib names

stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.hpp

@@ -102,6 +102,7 @@ namespace ams::dmnt {
             void qXfer();
             void qXferFeaturesRead();
             void qXferLibrariesRead();
+            void qXferMemoryMapRead();
             void qXferOsdataRead();
             bool qXferThreadsRead();