Merge pull request #8570 from Bob-the-Kuhn/Sbase-PWM

[2.0.x] MKS Sbase - add servo pin definitions and add directly controlled PWM

Marlin/src/pins/pins_MKS_SBASE.h

@@ -40,6 +40,15 @@
 #define PIN_P0_28         P0_28
 */
 
+
+//
+// Servo pin
+//
+#define SERVO0_PIN         P1_23  // J8-3 (low jitter)
+#define SERVO1_PIN         P2_12  // J8-4
+#define SERVO2_PIN         P2_11  // J8-5
+#define SERVO3_PIN         P4_28  // J8-6
+
 //
 // Limit Switches
 //