Allow enabling / disabling the motor regardless of the status returned by the poll

src/turboPmacAxis.cpp

@@ -1284,10 +1284,7 @@ asynStatus turboPmacAxis::enable(bool on) {
     asynStatus pl_status = asynSuccess;
 
     bool moving = false;
-    rw_status = doPoll(&moving);
+    doPoll(&moving);
-    if (rw_status != asynSuccess) {
-        return rw_status;
-    }
 
     // =========================================================================