Add minimal disk image for aarch64

This is a generic disk image that should be usable on any architecture with
imagefactory or live-media-creator (possibly with package tweaks). It creates a
minimal-common.ks to share as much as possible with the ARMv7 specific
fedora-arm-minimal.ks

Signed-off-by: Peter Robinson <pbrobinson@fedoraproject.org>

fedora-arm-minimal.ks

@@ -1,25 +1,6 @@
 %include fedora-arm-base.ks
+%include fedora-minimal-common.ks
 
 part /boot --size=512 --fstype ext4
 part swap --size=256 --fstype swap
 part / --size=1200 --fstype ext4
-
-%packages
--@standard
--initial-setup-gui
--generic-release*
--glibc-all-langpacks
-glibc-langpack-en
-iw
-NetworkManager-wifi
-%end
-
-%post
-
-# setup systemd to boot to the right runlevel
-echo -n "Setting default runlevel to multiuser text mode"
-rm -f /etc/systemd/system/default.target
-ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
-echo .
-
-%end