Integrate u-boot-seco-imx/oleksii/rework-myon2-revision-overlays
Commit: clea-os/bsp/nxp/u-boot-seco-imx@4cd3e813
[MYON2][BOARD] Add custom overlays logic
Currently for audio codecs based on board revsion
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Commit: clea-os/bsp/nxp/u-boot-seco-imx@e08a696c
[MYON2][ENV] Add seco_fdt_overlay command to load overlay sequence
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Commit: clea-os/bsp/nxp/u-boot-seco-imx@9c0cb517
[MYON2][CONFIG] Enable seco_fdt_overlay command and eeprom manager
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Commit: clea-os/bsp/nxp/u-boot-seco-imx@943e2cb7
[MYON2][BOARD] Remove old way of setting revision-specific overlays