tools: mxsboot: Mark the FCB pages as valid

Without this marker, Linux will complain that the NAND pages with
FCB are invalid.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
1 file changed