[U-Boot] [PATCH] ARM: tegra: fix colibri_t20 machine type

[Stephen Warren]

On 03/23/2015 11:43 AM, Marcel Ziswiler wrote:
> A while ago I got Russell to change the machine type of our Colibri T20
> from COLIBRI_TEGRA2 to COLIBRI_T20 which is also reflected in his
> machine registry:
>
> http://www.arm.linux.org.uk/developer/machines/list.php?id=3323

Only "half" of the references there seem to be updated; there are still 
some mentions of e.g. CONFIG_MACH_COLIBRI_TEGRA2, 
MACH_TYPE_COLIBRI_TEGRA2. Perhaps it's still in flux?

Even so, this change seems fine since it does better represent the name 
of the board.

Acked-by: Stephen Warren <swarren at nvidia.com>