CMIS FSM (state machine) timer to be fetched from optics EEPROM instead of a hard-coded value

[shyam77git]

While working with 400G ZR optical module, found an issue in CMIS FSM whereby it timed-out on 1 minute hard-coded value.
Optical module's DPinit timer / timeout value differs based on optics type/variant and is defined in the spec (byte 144) - lower nibble (0-3) for DPinit timeout.

Fetch this value from the optics EEPROM along with optics variant/type in CMIS FSM instead of present hard-coded value

[shyam77git]

sonic-net/sonic-platform-common#312 is fixing this.
Follow comments in #312 to see if anything more required from xcvrApi/CMIS spec etc. standpoint to take care of this issue besides #312.
Note that #294 to take care for xcvrd side changes and is separate.