fix lv_img offset usage Fixes: https://forum.lvgl.io/t/problem-with-lv-img-set-offset-y-in-ver-7/3330
fix lv_img offset usage
Fixes: https://forum.lvgl.io/t/problem-with-lv-img-set-offset-y-in-ver-7/3330

littlevgl/lvgl,littlevgl/lvgl,littlevgl/lvgl,littlevgl/lvgl