add gmac0 read mac form eeprom,pcie30x1

hc

2023-11-22 d0a428a6556ea5a006e22e28b0b1cd037885fe20

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BR2_x86_64=y
BR2_x86_steamroller=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AMD64=y