[dpdk-stable] [PATCH] maintainers: update Mellanox maintainers mail

[Matan Azrad]

From: Ori Kam:
> This patch updates Mellanox maintainers mails from the Mellanox domain to
> Nvidia domain.
> 
> Signed-off-by: Ori Kam <orika at nvidia.com>
Acked-by: Matan Azrad <matan at nvidia.com>

Looks Like we need here also
Cc: stable at dpdk.org

Thanks Ori.