Update Sergei's email address, as per commit 534a8bf0
("MAINTAINERS: switch to my private email for Renesas Ethernet
drivers").
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Acked-by: NSergei Shtylyov <sergei.shtylyov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>