mx6_common: add secure boot support

Selecting the proper options to enable the build of the HAB tools.

Note, this support is disabled by default, one will have to select
the SECURE_BOOT configuration through menuconfig to enable it.

See doc/README.mxc_hab for more details.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
1 file changed