doc: update the CREDITS file header
doc: update the CREDITS file header

Signed-off-by: Paul Moore <88a1d58bf22a647dce58dd91f9595600dceabba9@redhat.com>

seccomp/libseccomp,amluto/libseccomp,seccomp/libseccomp,seccomp/libseccomp,amluto/libseccomp,amluto/libseccomp