Bump U-Boot to 2018.01 and kernel to 4.14.4 version.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Add support for imx6sx-sdb_defconfig that allows booting a mainline
kernel and mainline U-Boot.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>