Rename files for 3.4 kernel

For the sake for consistency (with 3.10) files needed to build
linux yocto 3.4 have been moved from the subdirectory 'files'
to linux-yocto-3.4.

The bbappend has been modified accordingly.

Signed-off-by: Angelika Tobisch <tobisch@dresearch-fe.de>
Adapt kernel and u-boot for Rev. 2 PHYs, HYP-7526

Configuration of PHYs has changed in Rev. 2 of the HIPOS devices.
To accomodate this, kernel and u-boot have been modified.

Signed-off-by: Angelika Tobisch <tobisch@dresearch-fe.de>