Add additional warnings to check_setup

[gadfort]

Description

Warn on:

(set_driving_cell) or (set_max_fanout) or (set_max_slew and set_max_cap) on input_ports set_load on output_ports

Suggested Solution

No response

Additional Context

No response

[maliberty]

I believe you mean that we should warn on the lack of the above

[gadfort]

Ahh, yes, warn if those combinations are missing

[maliberty]

@openroadie any eta?

[openroadie]

Sorry, I did not look at this till today. Let me see what can be done.