add gmac0 read mac form eeprom,pcie30x1

hc

2023-11-22 d0a428a6556ea5a006e22e28b0b1cd037885fe20

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# Locally computed:
sha256 9b87245ee091a798184e447066e9e0d7709b7c81f5e6ad55f2b958c1aa50c4a3 msr-tools-1.3.tar.gz