Recreate Chiron ABL TFT feature

Marlin/src/gcode/bedlevel/abl/G29.cpp

@@ -36,6 +36,10 @@
 #include "../../../module/probe.h"
 #include "../../queue.h"
 
+#if ENABLED(KNUTWURST_TFT_LEVELING)
+    #include "../../../lcd/HardwareSerial.h"
+#endif
+
 #if ENABLED(PROBE_TEMP_COMPENSATION)
   #include "../../../feature/probe_temp_comp.h"
   #include "../../../module/temperature.h"
@@ -738,6 +742,11 @@ G29_TYPE GcodeSuite::G29() {
       if (!abl.dryrun) extrapolate_unprobed_bed_level();
       print_bilinear_leveling_grid();
 
+      #if ENABLED(KNUTWURST_TFT_LEVELING)
+          HARDWARE_SERIAL_PROTOCOLPGM("J25"); // Autoleveling done!
+          HARDWARE_SERIAL_ENTER();
+      #endif
+
       refresh_bed_level();
 
       TERN_(ABL_BILINEAR_SUBDIVISION, print_bilinear_leveling_grid_virt());

ini/i3_mega.ini

@@ -637,15 +637,6 @@ src_filter        = ${common.default_src_filter} +<src/HAL/AVR>
 build_flags       = ${common.build_flags} -DMOTHERBOARD=BOARD_TRIGORILLA_14_11 -DKNUTWURST_4MAXP2 -DKNUTWURST_ONE_Z_ENDSTOP -DKNUTWURST_TMC -DKNUTWURST_BLTOUCH
 build_unflags     = -DKNUTWURST_MEGA -DKNUTWURST_MEGA_S -DKNUTWURST_MEGA_P -DKNUTWURST_MEGA_X -DKNUTWURST_CHIRON -DKNUTWURST_4MAX -DKNUTWURST_BMG -DKNUTWURST_DGUS2_TFT 
 
-
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-
-
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-
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 [env:4MAXP2_DGUS]
 platform          = atmelavr
 board             = megaatmega2560