Devicetree DTS alias support (#483)

* **New Features**
  * Phandle support for device-to-device property references.
  * Recognition of #define-style declarations in device trees.
  * Device nodes may include optional aliases alongside node names.

* **Improvements**
  * Flatter, consistent device hierarchy processing for generation.
  * Error and log messages now reference node names for clearer diagnostics.

* **Other**
  * Added a static ESP32-based device tree and minor DTS comment updates.

Devices/lilygo-tlora-pager/lilygo,tlora-pager.dts

@@ -23,7 +23,8 @@
 		pin-scl = <2>;
 	};
 
-	// ES8311 (also connected to I2C bus)
+	// ES8311
+	// TODO: init via I2C to enable audio playback
 	i2s0 {
 		compatible = "espressif,esp32-i2s";
 		port = <I2S_NUM_0>;