bblayers_seco-mx6-fsl.conf: Add bblayers file for fsl based mx6 boards
This adds bblayers_seco-mx6-fsl.conf. It is a copy of mx6 with Freescale layers (identical to mx8). And updates setup-environment to work with new "seco-mx6-fsl" machine.
As of 8 April 2024, the git.seco.com instance was upgraded to the Premium version. External users and SECO customers who need access to private groups or repositories can make a request by contacting SECO support team via the ticketing platform (https://support.seco.com/).
This adds bblayers_seco-mx6-fsl.conf. It is a copy of mx6 with Freescale layers (identical to mx8). And updates setup-environment to work with new "seco-mx6-fsl" machine.