[U-Boot] [PATCH] tegra20: add back USE_PRIVATE_LIBGCC

[Stephen Warren]

On 08/06/2012 06:19 PM, Lucas Stach wrote:
> As discussed here [http://patchwork.ozlabs.org/patch/158202/] we want to
> use USE_PRIVATE_LIBGCC still.
> 
> However commit 5286f1ce dropped it regardless. Adding this back fixes a
> hang while handing over from SPL to U-Boot on Colibri T20.

This probably makes sense, but Allen should comment on this.

I wonder why I haven't seen any issue with this; perhaps SPL on all the
boards I tested ended up not using any libgcc functions? But in that
case, why would the Colibri board end up using them?