Reorganize HAL (#14832)

Marlin/src/HAL/HAL_ESP32/HAL.cpp

@@ -23,7 +23,7 @@
 #ifdef ARDUINO_ARCH_ESP32
 
 #include "HAL.h"
-#include "HAL_timers_ESP32.h"
+#include "timers.h"
 #include <rom/rtc.h>
 #include <driver/adc.h>
 #include <esp_adc_cal.h>

Marlin/src/HAL/HAL_ESP32/HAL.h

@@ -30,11 +30,11 @@
 #include "../shared/math_32bit.h"
 #include "../shared/HAL_SPI.h"
 
-#include "fastio_ESP32.h"
-#include "watchdog_ESP32.h"
+#include "fastio.h"
+#include "watchdog.h"
 #include "i2s.h"
 
-#include "HAL_timers_ESP32.h"
+#include "timers.h"
 
 #include "WebSocketSerial.h"
 #include "FlushableHardwareSerial.h"

Marlin/src/HAL/HAL_ESP32/Servo.cpp

@@ -25,7 +25,7 @@
 
 #if HAS_SERVOS
 
-#include "HAL_Servo_ESP32.h"
+#include "Servo.h"
 
 // Adjacent channels (0/1, 2/3 etc.) share the same timer and therefore the same frequency and resolution settings on ESP32,
 // so we only allocate servo channels up high to avoid side effects with regards to analogWrite (fans, leds, laser pwm etc.)

Marlin/src/HAL/HAL_ESP32/timers.cpp

@@ -30,7 +30,7 @@
 
 #include "HAL.h"
 
-#include "HAL_timers_ESP32.h"
+#include "timers.h"
 
 // ------------------------
 // Local defines

Marlin/src/HAL/HAL_ESP32/watchdog.cpp

@@ -26,7 +26,7 @@
 
 #if ENABLED(USE_WATCHDOG)
 
-#include "watchdog_ESP32.h"
+#include "watchdog.h"
 
 void watchdogSetup(void) {
   // do whatever. don't remove this function.