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fby4: wf: Enable PERST_E1S GPIO tolerance
Description
- Read IOE status before BIC initializes to avoid resetting the PERST_E1S value.
Motivation
- The current BIC will reset the value of PERST_E1S after BIC reboot, that will cause the host reboot.
Log
- Test plan: Pass
- WF BIC warm reboot and didn't influence host: Pass
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This pull request has been merged in facebook/OpenBIC@7a1bc521276d7e39b57b77d91e26a83f16103987.