make getLibrariesHarware public

This because it is needed to reattach to the correct libs when changing
the hardware

Author: jan

io.sloeber.core/src/io/sloeber/arduinoFramework/api/LibraryManager.java

@@ -439,7 +439,7 @@ private static Map<String, IArduinoLibraryVersion> getLibrariesFromFolder(IPath
 	 * @param project the project to find all hardware libraries for
 	 * @return all the library folder names. May contain empty values.
 	 */
-	private static Map<String, IArduinoLibraryVersion> getLibrariesHarware(BoardDescription boardDescriptor) {
+	public static Map<String, IArduinoLibraryVersion> getLibrariesHarware(BoardDescription boardDescriptor) {
 		Map<String, IArduinoLibraryVersion> ret = new HashMap<>();
 		// first add the referenced
 		IPath libPath = boardDescriptor.getReferencedCoreLibraryPath();