mx6: Expand bmode to support ecspi3 boot

Currently, the bmode command only supports booting from ecspi1.

Expand it to also support booting from ecspi3.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Peng Fan <peng.fan@nxp.com>
1 file changed