File _multibuild of Package grub2

<multibuild>
<package>chainloader</package>
<package>olh-i386-pc</package>
<package>olh-i386-xen</package>
<package>olh-i386-xen_pvh</package>
<package>olh-x86_64-efi</package>
<package>olh-x86_64-xen</package>
<package>tftpboot-i386-pc</package>
<package>tftpboot-x86_64-efi</package>
</multibuild>