setup: print --path suggestion only if the user didn't use --path
setup: print --path suggestion only if the user didn't use --path

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