Simple bool in soft_endstops_t

Marlin/src/module/motion.cpp

 
   // Software Endstops are based on the configured limits.
   soft_endstops_t soft_endstop = {
+    true, false,
     { X_MIN_POS, Y_MIN_POS, Z_MIN_POS },
-    { X_MAX_POS, Y_MAX_POS, Z_MAX_POS },
-    { true, false }
+    { X_MAX_POS, Y_MAX_POS, Z_MAX_POS }
   };
 
   /**

Marlin/src/module/motion.h

 #if HAS_SOFTWARE_ENDSTOPS
 
   typedef struct {
-    xyz_pos_t min, max;
-    struct {
-      bool _enabled:1;
-      bool _loose:1;
-    };
+    bool _enabled, _loose;
     bool enabled() { return _enabled && !_loose; }
+
+    xyz_pos_t min, max;
     void get_manual_axis_limits(const AxisEnum axis, float &amin, float &amax) {
       amin = -100000; amax = 100000; // "No limits"
       #if HAS_SOFTWARE_ENDSTOPS