ionic: update MAINTAINERS entry

Now that Pensando is a part of AMD we need to update
a couple of addresses.  We're keeping the mailing list
address for the moment, but that will likely change in
the near future.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Link: https://lore.kernel.org/r/20221129011734.20849-1-shannon.nelson@amd.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

.mailmap

@@ -389,6 +389,7 @@ Sebastian Reichel <sre@kernel.org> <sebastian.reichel@collabora.co.uk>
 Sebastian Reichel <sre@kernel.org> <sre@debian.org>
 Sedat Dilek <sedat.dilek@gmail.com> <sedat.dilek@credativ.de>
 Seth Forshee <sforshee@kernel.org> <seth.forshee@canonical.com>
+Shannon Nelson <shannon.nelson@amd.com> <snelson@pensando.io>
 Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com>
 Shuah Khan <shuah@kernel.org> <shuahkhan@gmail.com>
 Shuah Khan <shuah@kernel.org> <shuah.khan@hp.com>

MAINTAINERS

@@ -16139,7 +16139,8 @@ F:	include/linux/peci-cpu.h
 F:	include/linux/peci.h
 
 PENSANDO ETHERNET DRIVERS
-M:	Shannon Nelson <snelson@pensando.io>
+M:	Shannon Nelson <shannon.nelson@amd.com>
+M:	Brett Creeley <brett.creeley@amd.com>
 M:	drivers@pensando.io
 L:	netdev@vger.kernel.org
 S:	Supported