Integrate u-boot-seco-imx/seco_lf_v2021.04-seco_config_carrier
Commit: clea-os/bsp/nxp/u-boot-seco-imx@231c48d9
[D18][ENV] add carrier overlay options
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Commit: clea-os/bsp/nxp/u-boot-seco-imx@3cafdf70
[ENV] seco_config: align help manual to implemented options
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Commit: clea-os/bsp/nxp/u-boot-seco-imx@b0eac21b
[i.MX8][ENV] seco_config: add carrier sub-selection
Add carrier sub-selection to seco_config if the device is declared as a module and modify the FDT carrier environment setup to align to the other selections.