configs: update freescale_imx6qsabreauto_defconfig kernel version

Signed-off-by: Jan Sarenik <jan.sarenik@ysoft.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Tested-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>