Create rpm for cockpit

[stephdl (Stéphane de Labrusse)]

@federico.ballarini

Failed to create directory /var/lib/mock/nethserver-7-x86_64/root//sys/fs/selinux: Read-only file system Failed to create directory /var/lib/mock/nethserver-7-x86_64/root//sys/fs/selinux: Read-only file system

Maybe this could do some noise too, does your user is in the mock group?