Bump Linux and U-Boot versions.
The Linux configuration file and patches are no longer needed.
Signed-off-by: Oleksandr Zhadan <oleks@arcturusnetworks.com>
Signed-off-by: Michael Durrant <mdurrant@arcturusnetworks.com>
[Thomas: also use a tarball for U-Boot.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>