mailmap: add old address mappings for Randy

Add my old email addresses so that git send-email will map them
to my current email address.

Link: https://lkml.kernel.org/r/20240106063051.13623-1-rdunlap@infradead.orgSigned-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

.mailmap

@@ -503,6 +503,9 @@ Ralf Baechle <ralf@linux-mips.org>
 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
 Ram Chandra Jangir <quic_rjangir@quicinc.com> <rjangir@codeaurora.org>
 Randy Dunlap <rdunlap@infradead.org> <rdunlap@xenotime.net>
+Randy Dunlap <rdunlap@infradead.org> <randy.dunlap@oracle.com>
+Randy Dunlap <rdunlap@infradead.org> <rddunlap@osdl.org>
+Randy Dunlap <rdunlap@infradead.org> <randy.dunlap@intel.com>
 Ravi Kumar Bokka <quic_rbokka@quicinc.com> <rbokka@codeaurora.org>
 Ravi Kumar Siddojigari <quic_rsiddoji@quicinc.com> <rsiddoji@codeaurora.org>
 Rémi Denis-Courmont <rdenis@simphalempin.com>