This allows the use of D4 as PS_ON since MKS Gen doesn't have a PS_ON pin. However this effectively allows only 3 servos (instead of 4).
Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>
・More ANALOG NUMBERING to Analog Input
・Add comment header to all the section of all the pins files
・Sort sections as follows:
1. Some special definitions (USBCON, LARGE_FLASH, etc)
2. Servos
3. Limit Switches
4. Z Probe
5. Steppers
6. Temperature Sensors
7. Heaters / Fans
8. Misc. Functions
9. LCD / Controller
・Move MAX6675_SS into "Temperature Sensors" section
・Adjust spacing