一个集成grub的软盘

Signed-off-by: xiaolan <leiyujike1107@gmail.com>
 git commit -s -m 链接器脚本、bochs配置文件、gdb远程调试文件

Signed-off-by: xiaolan <leiyujike1107@gmail.com>
用于屏幕显示

Signed-off-by: xiaolan <leiyujike1107@gmail.com>