[U-Boot] unit-test: clean up evironment after Hush tests

[Tom Rini]

On Thu, Feb 27, 2014 at 10:01:28PM -0700, Stephen Warren wrote:

> Delete the temporary variables that are used to save unit-test results
> from the environment after running the test. This prevents polluting
> the environment, or growing it too much.
> 
> Signed-off-by: Stephen Warren <swarren at wwwdotorg.org>
> Acked-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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