[U-Boot] standalone-examples: support custom GCC lib

[Albert ARIBAUD]

Hi Jack,

On Tue, 16 Jul 2013 14:44:22 +0100, Jack Mitchell
<ml at communistcode.co.uk> wrote:

> Fighting with compiling u-boot today and dealing with problems related
> to using a custom built openembedded toolchain, I found the need to
> specify a custom location for the GCC lib.
> 
> This is well supported when building u-boot, but my compile was failing
> in the standalone examples, as there was no support for a custom GCC lib
> in the standalone examples Makefile.
> 
> I am no toolchain or u-boot expert, and as such to avoid the firey pits
> of flamewar hell, this is an RFC ;)

... which wasn't tagged '[RFC]', apparently. :)

Amicalement,
-- 
Albert.