LV_WAYLAND_H macro

@file lv_wayland.h - Public functions of the LVGL Wayland client Based on the original file from the repository. Porting to LVGL 9.1 2024 EDGEMTech Ltd. See LICENCE.txt for details Author(s): EDGEMTech Ltd, Erik Tagirov (erik.tagirov@edgemtech.ch)