Implement BEZIER_JERK_CONTROL

Enable 6th-order jerk-controlled motion planning in real-time.
Only for 32bit MCUs. (AVR simply does not have enough processing power for this!)

Marlin/src/backtrace/unwinder.cpp

@@ -28,7 +28,7 @@ extern "C" const UnwTabEntry __exidx_end[];
 
 // Detect if unwind information is present or not
 static int HasUnwindTableInfo(void) {
-  // > 16 because there are default entries we can´t supress
+  // > 16 because there are default entries we can't supress
   return ((char*)(&__exidx_end) - (char*)(&__exidx_start)) > 16 ? 1 : 0;
 }