Integrate linux-seco-imx/seco_lf-5.10.y-imx6_poweroff

Commit: https://git.seco.com/edgehog/bsp/nxp/linux-seco-imx/-/commit/8367b815ed2ca9d8cff4822b196353e56f9965f8

[A62][DTS] move poweroff gpio handling to generic gpio-poweroff driver

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Commit: https://git.seco.com/edgehog/bsp/nxp/linux-seco-imx/-/commit/ba0b94a5f1896c11fe2efc9134da4dc5fdd68f8b

[i.MX6][DEFCONFIG] add gpio-poweroff driver

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Commit: https://git.seco.com/edgehog/bsp/nxp/linux-seco-imx/-/commit/ea12e6874a683758c3d29676121d19b0a7aa5d81

[928][962][DTS] move reboot-poweroff gpio handling inside seco msp430 embedded controller

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Commit: https://git.seco.com/edgehog/bsp/nxp/linux-seco-imx/-/commit/454d096482ab838cf7ffffcf87b8badc8eff2a8c

[ECTRL] add reboot-poweroff gpio handling inside seco msp430 econtroller driver

Poweroff and reboot via embedded controller are triggered by a specific i2c message followed by a low state of the boot_validate pin (connected to a gpio of the soc). With this commit both operation are done inside the embedded controller driver

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Commit: https://git.seco.com/edgehog/bsp/nxp/linux-seco-imx/-/commit/94c9ea38ecbb027e7135ce39de3266e620a7c98a

Revert "[IMX6][PWR] add poweroff and reboot system with kill power GPIO"

This reverts commit 7de1d5d9fc5ca8f9296882f6a240569cd2aaf464.

Platform specific implementation of arm_pm_restart is deprecated