additional fixes

sync/prep-staging-8.sh

@@ -139,11 +139,11 @@ config.set('variants-AppStream', 'type', 'variant')
 config.set('variants-AppStream', 'uid', 'AppStream')
 config.set('variants-AppStream', 'packages', '../../../AppStream/${x}/os/Packages')
 config.set('variants-AppStream', 'repository', '../../../AppStream/${x}/os/')
-config.add_section('images-x86_64')
-config.set('images-x86_64', 'boot.iso', 'images/boot.iso')
-config.set('images-x86_64', 'efiboot.img', 'images/efiboot.img')
-config.set('images-x86_64', 'initrd', 'images/pxeboot/initrd.img')
-config.set('images-x86_64', 'kernel', 'images/pxeboot/vmlinuz')
+config.add_section('images-${x}')
+config.set('images-${x}', 'boot.iso', 'images/boot.iso')
+config.set('images-${x}', 'efiboot.img', 'images/efiboot.img')
+config.set('images-${x}', 'initrd', 'images/pxeboot/initrd.img')
+config.set('images-${x}', 'kernel', 'images/pxeboot/vmlinuz')
 config.add_section('stage2')
 config.set('stage2', 'mainimage', 'images/install.img')
 config.add_section('checksums')