Change analogRead calls to analogReadPin (qmk#9023)

* Change analogRead calls to analogReadPin

* Add ChangeLog

* Update docs, remove mention of `analogRead()`

* Retarget changelog for next round

Author: fauxpark

tmk_core/protocol/lufa/adafruit_ble.cpp

@@ -37,9 +37,10 @@
 #define ConnectionUpdateInterval 1000 /* milliseconds */
 
 #ifdef SAMPLE_BATTERY
-#ifndef BATTERY_LEVEL_PIN
-#    define BATTERY_LEVEL_PIN 7
-#endif
+
+#    ifndef BATTERY_LEVEL_PIN
+#        define BATTERY_LEVEL_PIN B5
+#    endif
 #endif
 
 static struct {
@@ -556,7 +557,7 @@ void adafruit_ble_task(void) {
     if (timer_elapsed(state.last_battery_update) > BatteryUpdateInterval && resp_buf.empty()) {
         state.last_battery_update = timer_read();
 
-        state.vbat = analogRead(BATTERY_LEVEL_PIN);
+        state.vbat = analogReadPin(BATTERY_LEVEL_PIN);
     }
 #endif
 }