Integrate linux-seco-imx/add_myon2_imx8mm

Commit: edgehog/bsp/nxp/linux-seco-imx@6a6e5d8b

drivers:mfd:rohm-bd718x7.c: interrupts made optional

On some modules the interrupt of the bd718x7 is not connected to anything, but the PMIC functionality is needed anyway. For such modules it would be helpfull if the probe function succeeds without an interrupt configured.

Ported from seco-ne/kernel/linux-imx-kuk!442 (f1e987f5)

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Commit: edgehog/bsp/nxp/linux-seco-imx@3b06167d

Add support of Myon 2 i.MX8MM module + ConXM

Ported from seco-ne/kernel/linux-imx-kuk!442 (merged)

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Commit: edgehog/bsp/nxp/linux-seco-imx@1e670589

Add custom pinfunc macros

Ported from seco-ne/kernel/linux-imx-kuk!126 (a3e8d2e7)