[Buildroot] [PATCH v2] infra: introduce github helper function

[Mischa Jonker]

Hi Maxime,

> How about a dedicated URI scheme like
> github://<username>/<package>/<version> instead of a call to a macro ?
> I find it easier to remember, less error prone and maybe more user friendly.

Personally I don't have a strong preference; I chose the helper function because of the earlier discussion:

http://lists.busybox.net/pipermail/buildroot/2013-November/081714.html

Mischa