[U-Boot] i.MX6: mx6qsabrelite: allow use with Freescale 2.6.38 kernels

[Wolfgang Denk]

Dear Dirk,

In message <4F51BBA9.4090608 at googlemail.com> you wrote:
> 
> Having Freescale working on these quite old and unclean U-Boot and 
> Kernel versions is a pain. Kernel is an other topic, but with U-Boot, 
> thanks to the very good work of everybody, we are in a good position 
> to get rid of the old Freescale U-Boot, now. And get everybody to work 
> with mainline and create patches against it.

ACK.

> So if it helps to apply some backward compatibility to make it easier 
> for everybody, esp. Freescale, to switch to mainline U-Boot, I think 
> we should try it.

Agreed.  If these patches were only for backward compatibility I would
not complain much.  But they are known to introduce forward incompati-
bilities with all this MACH_ID stuff, and this is what I would like to
avoid.

I think we should make a clear statement that new boards that get
added should only support DT based configurations.  If really needed,
legacy MACH_ID support may be kept out of tree.

Best regards,

Wolfgang Denk

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