mailmap: update/replace my old email addresses

I was recently reminded by someone who was unable to reach my old
email address that I really should update the kernel's .mailmap
so that people looking for me in old commits can reach my current
email.

Signed-off-by: Paul Moore <paul@paul-moore.com>

Author: pcmoore

.mailmap

@@ -469,6 +469,8 @@ Paul E. McKenney <paulmck@kernel.org> <paulmck@linux.vnet.ibm.com>
 Paul E. McKenney <paulmck@kernel.org> <paulmck@us.ibm.com>
 Paul Mackerras <paulus@ozlabs.org> <paulus@samba.org>
 Paul Mackerras <paulus@ozlabs.org> <paulus@au1.ibm.com>
+Paul Moore <paul@paul-moore.com> <paul.moore@hp.com>
+Paul Moore <paul@paul-moore.com> <pmoore@redhat.com>
 Pavankumar Kondeti <quic_pkondeti@quicinc.com> <pkondeti@codeaurora.org>
 Peter A Jonsson <pj@ludd.ltu.se>
 Peter Oruba <peter.oruba@amd.com>