Integrate meta-seconorth-machine/linux-imx_5.15_add_pcf2123_driver

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Commit: seco-ne/yocto/layers/meta-seconorth-machine@35dc0fd0

linux-imx-5.15:config: Add pcf2123 RTC driver

The RTC is used on the LEVY D18 SOM.

BCS 746-001553