eth-w5500 fixes, command read-back / reset pin toggle

[Hari-haranb]

@marcel-cd i need some clarity on this PR #37648 commits.recently I'm create PR #46139 with your commits. and its successfully
merged in main stream.after merging somebody requesting to revert this PR because its creating dead lock issue (RTR read problem).
i am trying to test this code using coverity static analyzer. but i failed... because its not possible to analyze with local host machine.
so please i need some clarity on this commits.if this commit 673e53d will solve the coverity #29013 issue ?
please clarify this beacause its makes problem in main stream

[Hari-haranb]

@marcel-cd can you help anything regard this PR