Follow-up the PR #4955, etc

・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

Marlin/pins_AZTEEG_X3.h

@@ -32,6 +32,9 @@
 
 #include "pins_RAMPS_13.h"
 
+//
+// LCD / Controller
+//
 #if ENABLED(VIKI2) || ENABLED(miniVIKI)
 
   #undef DOGLCD_A0