draw menu at the center of the screen
draw menu at the center of the screen

liliang365/my_gummiboot,aaronp24/gummiboot,FrozenCow/gummiboot,karelzak/gummiboot,freedesktop-unofficial-mirror/gummiboot,trilean/gummiboot,todorez/gummiboot-multiboot2,android-ia/platform_external_gummiboot,todorez/tummiboot,android-ia/platform_external_gummiboot,todorez/tummiboot,miguelinux/gummiboot2systemd-boot,karelzak/gummiboot,liliang365/my_gummiboot,todorez/gummiboot-multiboot2,freedesktop-unofficial-mirror/gummiboot,trilean/gummiboot,FrozenCow/gummiboot,aaronp24/gummiboot,miguelinux/gummiboot2systemd-boot