Rambo Pin documentation and servo support

Updated pins reference and servo support.

cross referenced between Rambo 1.1, 1.2, and 1.3

Marlin/pins.h

@@ -2358,6 +2358,20 @@ DaveX plan for Teensylu/printrboard-type pinouts (ref teensylu & sprinter) for a
 
 #define LARGE_FLASH true
 
+// servo support
+#ifdef NUM_SERVOS
+ #define SERVO0_PIN 22 //motor header MX1
+ #if NUM_SERVOS > 1
+ #define SERVO1_PIN 23 //Motor header MX2
+ #endif
+ #if NUM_SERVOS > 2
+ #define SERVO2_PIN 24 //Motor header MX3
+ #endif
+ #if NUM_SERVOS > 3
+ #define SERVO2_PIN 5 //pwm header pin 5
+ #endif
+#endif
+
 #define X_STEP_PIN 37
 #define X_DIR_PIN 48
 #define X_MIN_PIN 12
@@ -2417,6 +2431,12 @@ DaveX plan for Teensylu/printrboard-type pinouts (ref teensylu & sprinter) for a
 #define SDSS               53
 #define LED_PIN            13
 #define FAN_PIN            8  
+/**********************************************************
+Fan Pins
+Fan_0 8
+Fan_1 6
+Fan_2 2
+***********************************************************/
 #define PS_ON_PIN          4
 #define KILL_PIN           -1 //80 with Smart Controller LCD
 #define SUICIDE_PIN        -1  //PIN that has to be turned on right after start, to keep power flowing.