modules: lvgl: Register print callback after lv_init

Move initialization of the print callback handler after calling lv_init, as
the latter zeroes the global callback structure.

Signed-off-by: Fabian Blatz <[email protected]>
(cherry picked from commit 5cffb8e)

Author: faxe1008

modules/lvgl/lvgl.c

@@ -232,13 +232,13 @@ int lvgl_init(void)
 		return -ENODEV;
 	}
 
+	lv_init();
+	lv_tick_set_cb(k_uptime_get_32);
+
 #if CONFIG_LV_Z_LOG_LEVEL != 0
 	lv_log_register_print_cb(lvgl_log);
 #endif
 
-	lv_init();
-	lv_tick_set_cb(k_uptime_get_32);
-
 #ifdef CONFIG_LV_Z_USE_FILESYSTEM
 	lvgl_fs_init();
 #endif