Now we have settled on best practises and compliance criteria, bring meta-yocto
into compliance by separating out the hardware support components into
meta-yocto-bsp leaving policy configuration in meta-yocto.
Also rename the meta-yocto scripts directory to OE-Core can be a clearly
isolated component in poky.
(From meta-yocto rev: eac90e27a032ea23d9a4f35c7eef8b1940c80e22)
Signed-off-by: Richard Purdie <email@example.com>