feat: add LV_USE_MEM_PERF/MONITOR_POS

fixes #2735

lv_conf_template.h

@@ -217,10 +217,16 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
 
 /*1: Show CPU usage and FPS count in the right bottom corner*/
 #define LV_USE_PERF_MONITOR 0
+#if LV_USE_PERF_MONITOR
+#define LV_USE_PERF_MONITOR_POS LV_ALIGN_BOTTOM_RIGHT
+#endif
 
 /*1: Show the used memory and the memory fragmentation in the left bottom corner
  * Requires LV_MEM_CUSTOM = 0*/
 #define LV_USE_MEM_MONITOR 0
+#if LV_USE_PERF_MONITOR
+#define LV_USE_MEM_MONITOR_POS LV_ALIGN_BOTTOM_LEFT
+#endif
 
 /*1: Draw random colored rectangles over the redrawn areas*/
 #define LV_USE_REFR_DEBUG 0