SAMD51: ADC for probe temperature compensation (#16596)

Marlin/src/HAL/HAL_SAMD51/HAL.cpp

 #else
   #define GET_TEMP_5_ADC()          -1
 #endif
+#if HAS_TEMP_PROBE
+  #define GET_PROBE_ADC()           PIN_TO_ADC(TEMP_PROBE_PIN)
+#else
+  #define GET_PROBE_ADC()           -1
+#endif
 #if HAS_TEMP_ADC_BED
   #define GET_BED_ADC()             PIN_TO_ADC(TEMP_BED_PIN)
 #else
 
 #define IS_ADC_REQUIRED(n)      (GET_TEMP_0_ADC() == n || GET_TEMP_1_ADC() == n || GET_TEMP_2_ADC() == n      \
                                  || GET_TEMP_3_ADC() == n || GET_TEMP_4_ADC() == n || GET_TEMP_5_ADC() == n   \
+                                 || GET_PROBE_ADC() == n                                                      \
                                  || GET_BED_ADC() == n                                                        \
                                  || GET_CHAMBER_ADC() == n                                                    \
                                  || GET_FILAMENT_WIDTH_ADC() == n                                             \
     #if GET_TEMP_5_ADC() == 0
       TEMP_5_PIN,
     #endif
+    #if GET_PROBE_ADC() == 0
+      TEMP_PROBE_PIN,
+    #endif
     #if GET_BED_ADC() == 0
       TEMP_BED_PIN,
     #endif
     #if GET_TEMP_5_ADC() == 1
       TEMP_5_PIN,
     #endif
+    #if GET_PROBE_ADC() == 1
+      TEMP_PROBE_PIN,
+    #endif
     #if GET_BED_ADC() == 1
       TEMP_BED_PIN,
     #endif
       #if GET_TEMP_5_ADC() == 0
         { PIN_TO_INPUTCTRL(TEMP_5_PIN) },
       #endif
+      #if GET_PROBE_ADC() == 0
+        { PIN_TO_INPUTCTRL(TEMP_PROBE_PIN) },
+      #endif
       #if GET_BED_ADC() == 0
         { PIN_TO_INPUTCTRL(TEMP_BED_PIN) },
       #endif
       #if GET_TEMP_5_ADC() == 1
         { PIN_TO_INPUTCTRL(TEMP_5_PIN) },
       #endif
+      #if GET_PROBE_ADC() == 1
+        { PIN_TO_INPUTCTRL(TEMP_PROBE_PIN) },
+      #endif
       #if GET_BED_ADC() == 1
         { PIN_TO_INPUTCTRL(TEMP_BED_PIN) },
       #endif