Integrate linux-seco-rk/nat/d23/eeprom_nvmem

Commit: https://git.seco.com/edgehog/bsp/rockchip/linux-seco-rk/-/commit/c0b8e3d13345cb5f11f66416c65360085ff9e538

[D23] [DTS] Fix value of the compatible property in EEPROM device node

The compatible device atmel,24aa025 was added into at24.c driver, therefore in EEPROM device node (at24@unit-address) change most 'compatible' value to atmel,24aa025.

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Commit: https://git.seco.com/edgehog/bsp/rockchip/linux-seco-rk/-/commit/f04dea67d899a4c39a4ef63187fdcd5f71353b89

[D23] [DRIVERS] Porting of additional NVMEM configurations for Atmel EEPROM

Add compatible device atmel,24aa025 with flag AT24_FLAG_SECO_PARTITION in device data. Add serial number, partition number and MAC address nvmem configurations with dedicated read/write functions. Ported from the stable Linux kernel version 4.4 with some fixes. Author of the original implementation: Giuseppe Pagano Usage example in attachment to this commit.