Add option to enable/disable improve_placement for P&R targets
#244
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Some designs fail on during resize script. This script runs `detailed_placement` followed by `improve_placement` command. I've noticed that `improve_placement` causes some cell to either be place to close together triggering overlap warning or they truly overlapped. I checked overlapping reports using OpenROAD GUI interface. Signed-off-by: Maciej Dudek <mdudek@antmicro.com>
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This adds new
enable_improve_placementattr toplace_and_routerule.improve_placementpass breaks some of the designs,so having option to disable is beneficial for some users.
Default behavior remains unchanged.
First part of the #243 PR.