MAINTAINERS: Add a reviewer for network packet abstractions

I have made significant changes for network packet abstractions so add
me as a reviewer.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>

MAINTAINERS

@@ -2237,6 +2237,7 @@ F: tests/qtest/fuzz-megasas-test.c
 
 Network packet abstractions
 M: Dmitry Fleytman <dmitry.fleytman@gmail.com>
+R: Akihiko Odaki <akihiko.odaki@daynix.com>
 S: Maintained
 F: include/net/eth.h
 F: net/eth.c