Sleep longer on low power hardware

src/freedombone-app-matrix

     sleep 5
 
     if [ ! -f $MATRIX_DATA_DIR/homeserver.db ]; then
-        echo $'No matrix home server database was created'
-        exit 23782
+        # On low power systems more sleeping may be needed
+        sleep 10
+
+        if [ ! -f $MATRIX_DATA_DIR/homeserver.db ]; then
+            echo $'No matrix home server database was created'
+            exit 23782
+        fi
     fi
     chmod -R 700 $MATRIX_DATA_DIR/homeserver.db