configs/roc_pc_rk3399_defconfig: expand rootfs size to 120M
Default 60M for rootfs are not enough and generate a build failure, so
let's expand rootfs size to 120M.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 5194113331b04c5fee1a773e1751b40bff6fdd18)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>