Improved STMicro L64XX stepper driver support (#16452)

Marlin/src/MarlinCore.cpp

@@ -177,8 +177,8 @@
   #include "feature/prusa_MMU2/mmu2.h"
 #endif
 
-#if HAS_DRIVER(L6470)
-  #include "libs/L6470/L6470_Marlin.h"
+#if HAS_L64XX
+  #include "libs/L64XX/L64XX_Marlin.h"
 #endif
 
 const char NUL_STR[] PROGMEM = "",
@@ -605,7 +605,7 @@ void manage_inactivity(const bool ignore_stepper_queue/*=false*/) {
   #endif
 
   #if ENABLED(MONITOR_L6470_DRIVER_STATUS)
-    L6470.monitor_driver();
+    L64xxManager.monitor_driver();
   #endif
 
   // Limit check_axes_activity frequency to 10Hz
@@ -822,8 +822,8 @@ void setup() {
 
   HAL_init();
 
-  #if HAS_DRIVER(L6470)
-    L6470.init();         // setup SPI and then init chips
+  #if HAS_L64XX
+    L64xxManager.init();  // Set up SPI, init drivers
   #endif
 
   #if ENABLED(MAX7219_DEBUG)