[][kernel][mt7988][eth][Refactor 8GB_ADDRESSING to the upstream style]

[Description]
Refactor 8GB_ADDRESSING to the upstream style.

[Release-log]
N/A


Change-Id: I16abc9101aeb7b42000b7d007e578d8c7cbe4f21
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/9236901
4 files changed