Integrate u-boot-seco-imx/add_mv_d18_seco_config

Commit: clea-os/bsp/nxp/u-boot-seco-imx@8f18c9aa

[CONFIG][D18] Add new displays and touch overlays to seco_config

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Commit: clea-os/bsp/nxp/u-boot-seco-imx@284d792f

[CMD][CONFIG] Add additional check to touch selection and add comments

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Commit: clea-os/bsp/nxp/u-boot-seco-imx@7e39235e

[CMD][CONFIG] Add guards to touch sub-selection

Not all i.MX8 devices have selectable touch controllers. To prevent runtime errors, we only allow the user to open the selection if one or more touch controllers are available in the device config.

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Commit: clea-os/bsp/nxp/u-boot-seco-imx@2d016074

[CMD][CONFIG] Enable selection of panels with numbers higher than 9

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Commit: clea-os/bsp/nxp/u-boot-seco-imx@7c271a89

[ENV] Add loading of touch overlays for seco_config

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Commit: clea-os/bsp/nxp/u-boot-seco-imx@65812e17

[CMD][CONFIG] Add touch sub-selection to seco_config