Pass an offset of 1MB for the start of the rootfs.
Otherwise we get rootfs corruption when the bootloader is manually
written to the SD card.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 82c1445fc4)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>