Enable the network2 commands when NETWORK_IP6_ENABLE is TRUE, so we
would have Ping6 and Ifconfig6.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
[lersek@redhat.com: added the word "Shell" to the subject] Reviewed-by: Laszlo Ersek <lersek@redhat.com>