♻️ Simplify TMC utilities for more axes

Marlin/src/MarlinCore.cpp

   #endif
 
   #if HAS_TRINAMIC_CONFIG && DISABLED(PSU_DEFAULT_OFF)
-    SETUP_RUN(test_tmc_connection(true, true, true, true));
+    SETUP_RUN(test_tmc_connection());
   #endif
 
   #if HAS_DRIVER_SAFE_POWER_PROTECT

Marlin/src/feature/tmc_util.cpp

       SERIAL_PRINTLN(data.drv_status, HEX);
       if (data.is_ot) SERIAL_ECHOLNPGM("overtemperature");
       if (data.is_s2g) SERIAL_ECHOLNPGM("coil short circuit");
-      TERN_(TMC_DEBUG, tmc_report_all(true, true, true, true));
+      TERN_(TMC_DEBUG, tmc_report_all());
       kill(PSTR("Driver error"));
     }
   #endif
    * M122 report functions
    */
 
-  void tmc_report_all(bool print_x, const bool print_y, const bool print_z, const bool print_e) {
+  void tmc_report_all(const bool print_x/*=true*/, const bool print_y/*=true*/, const bool print_z/*=true*/, const bool print_e/*=true*/) {
     #define TMC_REPORT(LABEL, ITEM) do{ SERIAL_ECHOPGM(LABEL);  tmc_debug_loop(ITEM, print_x, print_y, print_z, print_e); }while(0)
     #define DRV_REPORT(LABEL, ITEM) do{ SERIAL_ECHOPGM(LABEL); drv_status_loop(ITEM, print_x, print_y, print_z, print_e); }while(0)
     TMC_REPORT("\t",                 TMC_CODES);
   return test_result;
 }
 
-void test_tmc_connection(const bool test_x, const bool test_y, const bool test_z, const bool test_e) {
+void test_tmc_connection(const bool test_x/*=true*/, const bool test_y/*=true*/, const bool test_z/*=true*/, const bool test_e/*=true*/) {
   uint8_t axis_connection = 0;
 
   if (test_x) {

Marlin/src/feature/tmc_util.h

 #endif
 
 void monitor_tmc_drivers();
-void test_tmc_connection(const bool test_x, const bool test_y, const bool test_z, const bool test_e);
+void test_tmc_connection(const bool test_x=true, const bool test_y=true, const bool test_z=true, const bool test_e=true);
 
 #if ENABLED(TMC_DEBUG)
   #if ENABLED(MONITOR_DRIVER_STATUS)
     void tmc_set_report_interval(const uint16_t update_interval);
   #endif
-  void tmc_report_all(const bool print_x, const bool print_y, const bool print_z, const bool print_e);
+  void tmc_report_all(const bool print_x=true, const bool print_y=true, const bool print_z=true, const bool print_e=true);
   void tmc_get_registers(const bool print_x, const bool print_y, const bool print_z, const bool print_e);
 #endif