Provide a default SERVO0_PIN for Anet 1.0

Marlin/pins_ANET_10.h

@@ -88,7 +88,7 @@
  *   Many thanks to Hans Raaf (@oderwat) for developing the Anet-specific software and supporting the Anet community.
 */
 
-#if !defined(__AVR_ATmega1284P__)
+#ifndef __AVR_ATmega1284P__
   #error "Oops!  Make sure you have 'Anet V1.0', 'Anet V1.0 (Optiboot)' or 'Sanguino' selected from the 'Tools -> Boards' menu."
 #endif
 
@@ -155,36 +155,38 @@
 #if ENABLED(ULTRA_LCD) && ENABLED(NEWPANEL)
   #define LCD_SDSS           28
   #if ENABLED(ADC_KEYPAD)
-    #define SERVO0_PIN         27 // free for BLTouch/3D-Touch
-    #define LCD_PINS_RS        28
-    #define LCD_PINS_ENABLE    29
-    #define LCD_PINS_D4        10
-    #define LCD_PINS_D5        11
-    #define LCD_PINS_D6        16
-    #define LCD_PINS_D7        17
-    #define BTN_EN1            -1
-    #define BTN_EN2            -1
-    #define BTN_ENC            -1
-    #define ADC_KEYPAD_PIN      1
+    #define SERVO0_PIN       27 // free for BLTouch/3D-Touch
+    #define LCD_PINS_RS      28
+    #define LCD_PINS_ENABLE  29
+    #define LCD_PINS_D4      10
+    #define LCD_PINS_D5      11
+    #define LCD_PINS_D6      16
+    #define LCD_PINS_D7      17
+    #define BTN_EN1          -1
+    #define BTN_EN2          -1
+    #define BTN_ENC          -1
+    #define ADC_KEYPAD_PIN    1
     #define ENCODER_FEEDRATE_DEADZONE 2
   #elif ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) || ENABLED(ANET_FULL_GRAPHICS_LCD)
     // Pin definitions for the Anet A6 Full Graphics display and the RepRapDiscount Full Graphics
     // display using an adapter board  // https://go.aisler.net/benlye/anet-lcd-adapter/pcb
     // See below for alternative pin definitions for use with https://www.thingiverse.com/thing:2103748
-    #define SERVO0_PIN         29 // free for BLTouch/3D-Touch
-    #define BEEPER_PIN         17
-    #define LCD_PINS_RS        27
-    #define LCD_PINS_ENABLE    28
-    #define LCD_PINS_D4        30
-    #define BTN_EN1            11
-    #define BTN_EN2            10
-    #define BTN_ENC            16
+    #define SERVO0_PIN       29 // free for BLTouch/3D-Touch
+    #define BEEPER_PIN       17
+    #define LCD_PINS_RS      27
+    #define LCD_PINS_ENABLE  28
+    #define LCD_PINS_D4      30
+    #define BTN_EN1          11
+    #define BTN_EN2          10
+    #define BTN_ENC          16
     #define ST7920_DELAY_1 DELAY_0_NOP
     #define ST7920_DELAY_2 DELAY_1_NOP
     #define ST7920_DELAY_3 DELAY_2_NOP
     #define STD_ENCODER_PULSES_PER_STEP 4
     #define STD_ENCODER_STEPS_PER_MENU_ITEM 1
   #endif
+#else
+  #define SERVO0_PIN         27
 #endif  // ULTRA_LCD && NEWPANEL
 
 /**