Add IFDEVSIM to all existing IOCs

[mattclarke]

The macros for enabling DEVSIM should be added to all existing IOCs so they are ready for Lewis even if a simulator does not exist yet.

Here is an example from the Lakeshore 336:

$(IFDEVSIM) drvAsynIPPortConfigure("$(DEVICE)", "localhost:55626")

## For real device use:
$(IFNOTDEVSIM) drvAsynIPPortConfigure ("$(DEVICE)", "$(HOST):7777")```

[kjwoodsISIS]

Need to think if we can do this another way. Postpone for now.