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Add more feautues for ENETC v4 - round 1
Compared to ENETC v1 (LS1028A), ENETC v4 (i.MX95) adds more features, and
some features are configured completely differently from v1. In order to
more fully support ENETC v4, these features will be added through several
rounds of patch sets. This round adds these features, such as Tx and Rx
checksum offload, increase maximum chained Tx BD number and Large send
offload (LSO).