[U-Boot] dts: imx8qxp-mek: Add PHY post reset delay

[Anatolij Gustschin]

Hi Joe,

On Tue, 5 Mar 2019 12:05:42 -0600
Joe Hershberger joe.hershberger at ni.com wrote:

> Hi Andrejs,
> 
> https://patchwork.ozlabs.org/patch/1050178/ was applied to http://git.denx.de/?p=u-boot/u-boot-net.git

This patch is marked as accepted on patchwork, but it is not in mainline
tree yet. It should go into v2019.04 release, too. Could you please check?

Thanks,
Anatolij