TDK Lambda Genesys OPI macro & new style

The TDK Lambda Genesys OPI expects the IOC_NUM macro instead of the IOC name, i.e. "01" instead of GENESYS_01.

It should be changed to the IOC name for consistency with other OPIs.

While doing this ticket, the OPI itself could be changed to the new style (it's a very simple OPI)

NOTE: existing synoptics will need checking