Compile only selected PIO environment (#11519)

Marlin/src/HAL/HAL_ESP32/HAL.h

@@ -40,8 +40,8 @@
 #undef DISABLED
 #define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b))
 
-#include "../math_32bit.h"
-#include "../HAL_SPI.h"
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
 
 #include "fastio_ESP32.h"
 #include "watchdog_ESP32.h"

Marlin/src/HAL/HAL_ESP32/HAL_spi_ESP32.cpp

@@ -28,7 +28,7 @@
 // --------------------------------------------------------------------------
 
 #include "HAL.h"
-#include "../HAL_SPI.h"
+#include "../shared/HAL_SPI.h"
 #include "pins_arduino.h"
 #include "spi_pins.h"
 #include "../../core/macros.h"