[oe] support another hardware

[Sledz, Steffen]

> There is really not much more to it than create a machine conf, and a
> kernel configuration.  For the kernel, the preferred approach seems to
> be to use a generic linux-2.6.xx.bb recipe, and add your machine to
> the version you support.  Occasionally, other packages will have
> machine specific tweaks, but that is not required.

Are there conventions in naming of the kernel recipes? If i look into the relevant directories i can see various methods:

1. "${MACHINE}-kernel" (e.g. mx21ads.conf)
2. "linux-${MACHINE}" (e.g. magicbox.conf)
3. fix names like "linux-wrap-geode" for wrap.conf

Is one of them preferred?

Steffen