Kernel 4.9.7 has an important fix: a2104c7cd3b24c432 ("drm/atomic:
clear out fence when duplicating state"), which fixes a kernel
warning that triggers sometimes when starting/stopping ksmcube
application several times in a row.
So bump to this version.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>