[Buildroot] [PATCH] support/testing/infra/emulator.py: fix typo in comment

[Peter Korsgaard]

>>>>> "Romain" == Romain Naour <romain.naour at gmail.com> writes:

 > Artefact (British) and Artifact (American) are both valid spelling
 > but ARTIFACTS_URL is used in the emulator code.

 > Surprisingly, the url actually use "artefacts"

 >   http://autobuild.buildroot.net/artefacts

 > Signed-off-by: Romain Naour <romain.naour at gmail.com>

Committed, thanks.

-- 
Bye, Peter Korsgaard