tma: Implement example set:sys getter service

stratosphere/tma/source/tma_main.cpp

@@ -65,11 +65,17 @@ void __appInit(void) {
         fatalSimple(rc);
     }
     
+    rc = setsysInitialize();
+    if (R_FAILED(rc)) {
+        fatalSimple(rc);
+    }
+    
     CheckAtmosphereVersion(CURRENT_ATMOSPHERE_VERSION);
 }
 
 void __appExit(void) {
     /* Cleanup services. */
+    setsysExit();
     pscExit();
     smExit();
 }