mailmap: Change email mapping from previous employers

Signed-off-by: Matt Ranostay <matt@ranostay.sg>
Link: https://lore.kernel.org/r/20231021085250.21431-1-matt@ranostay.sgSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

.mailmap

@@ -383,9 +383,10 @@ Matthias Fuchs <socketcan@esd.eu> <matthias.fuchs@esd.eu>
 Matthieu Baerts <matttbe@kernel.org> <matthieu.baerts@tessares.net>
 Matthieu CASTET <castet.matthieu@free.fr>
 Matti Vaittinen <mazziesaccount@gmail.com> <matti.vaittinen@fi.rohmeurope.com>
-Matt Ranostay <matt.ranostay@konsulko.com> <matt@ranostay.consulting>
-Matt Ranostay <mranostay@gmail.com> Matthew Ranostay <mranostay@embeddedalley.com>
-Matt Ranostay <mranostay@gmail.com> <matt.ranostay@intel.com>
+Matt Ranostay <matt@ranostay.sg> <matt.ranostay@konsulko.com>
+Matt Ranostay <matt@ranostay.sg> <matt@ranostay.consulting>
+Matt Ranostay <matt@ranostay.sg> Matthew Ranostay <mranostay@embeddedalley.com>
+Matt Ranostay <matt@ranostay.sg> <matt.ranostay@intel.com>
 Matt Redfearn <matt.redfearn@mips.com> <matt.redfearn@imgtec.com>
 Maulik Shah <quic_mkshah@quicinc.com> <mkshah@codeaurora.org>
 Mauro Carvalho Chehab <mchehab@kernel.org> <maurochehab@gmail.com>