[U-Boot] Maintainers' email address not valid

[Bin Meng]

On Sat, Feb 6, 2016 at 11:30 AM, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Tom,
>
> The following U-Boot maintainers' email address seem no longer valid.
>
> vipin.kumar at st.com
> martin.krause at tq-systems.de
> kim.phillips at freescale.com
>

Ah, one more:

fgretief at spaceteq.co.za

> I believe we should remove them and update the MAINTAINTERS.
>

Regards,
Bin