[U-Boot] arm64: a37xx: add distro boot compability

[Stefan Roese]

Hi Andre,

On 14.12.2017 11:17, Andre Heider wrote:
> On 02/12/17 10:46, Andre Heider wrote:
>> this small set improves the usability to ease booting distro shipped
>> kernels. Tested on espressobin with debian's flash-kernel. I could
>> successfully boot from usb.
> 
> Anyone? Bueller?

I'm waiting for Kosta to comment on this (already triggered). So
please allow us a bit more time.

Thanks,
Stefan