[2.0] Add SERIAL_PORT -1 option for configurators

[2.0] Fix probes configuration url

Based on #8241 by @machaj

[2.0] Some cleanup around 'lcd_bootscreen()' and 'lcd_kill_screen()'

Move 'lcd_bootscreen()' from `lcd_init()` to 'setup()' where it is cexecute exactly once. Saves 'bool show_bootscreen'.
Move the call of 'lcd_custom_bootscreen()' to the begin of 'lcd_bootscreen()'.
Move the delays into the related functions.
Move the picture loop around 'lcd_kill_screen()' into the function.

[2.0.x] Faster menu navigation for Anet A8

* UltiMachine Archim2 support

* SPI gets included by the library

* Invert TMC2130 diag pin state

* Clean up Archim2 pins

* Update Archim2 config

* FAN2 -> FAN1

* Cleanup

* Add brief Archim installation instructions

* Bring pins into compliance

* Update 1.0 SD Detect pin for 1.1

* Update Configuration.h

* Update pins_ARCHIM2.h

[2.0.x] M303 thermal runaway protection

* [2.0.x] G33 magic numbers

* oops

* Comments

* oops

* warning

* better comment section

* remarks

* extra grids

LPC1768: updates to use the new pin_t typedef

[2.0] Fix watchdog in WATCHDOG_RESET_MANUAL mode AVR

[2.0.x] Add MKS Gen L board

* Update pins_MKS_SBASE.h

Deleted E_MUX2, not used.
Changed #define LCD_PINS_D4      P0_14  // EXP1.5 to #define LCD_PINS_D4      P0_15  // EXP1.5, wrong in MKS's pinout schematic.
Swapped TEMP_BED_PIN and TEMP_0_PIN port's, request from user, more logical...

* Update pins_MKS_SBASE.h

Moved MUX signals to J8 and re added MUX2, cleaner wiring..

Addressing #8205

* Add Azteeg X5 GT to supported list

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>

* Update README.md

Allow asterisks in G-Code commands

Addressing #6655

[2.0.x] Support for SilverGate Board

Addressing #8166

Update InterruptVectors_Due.cpp

[2.0.x] Add SDCARD_SORT_ALPHA options for LPC1768

const pfnISR_Handler *isrtab = get_relocated_table_addr();

What compiler do you use? Arduino 1.8.5 can't compile this "const".

[2.0.x] Only show custom bootscreen once

* [2.0.x] Fix NO_MOTION_BEFORE_HOMING unwanted behaviour

NO_MOTION_BEFORE_HOMING should prevent XYZ movements only when homing is not done.
E axes should be allowed

* Update G0_G1.cpp

* Update G0_G1.cpp

* Basic support for Azteeg_X5_GT

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>

* Add fan pins for AZTEEG X5 GT

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>

* Fix endstop pins

* Add servo0 pin

[2.0.x] Apply Re-ARM SPI review items

[2.0.x] Kinematic clamp_to_software_endstops