TapeOut: 2020-07 Unused power signal mismatch

[d-m-bailey]

This issue needs to be resolved or waived before tapeout.

https://gitlab.com/api/v4/projects/36768579/repository/files/tapeout%2Foutputs%2Foas%2Fcaravel_2204289a.oas/raw?ref=main
15adb4f6dd8e482041f8bad67a281c75c6fdd0cd  caravel_2204289a.oas

Some of the power nets that are unused in user_project_wrapper do not match the connections to caravel chip_io.

chip_io	user_project_wrapper
vssa1_core	vssd2
vssd2_core	vdda1
vdda1_core	vdda2
vdda2_core	vssa1

These nets are not actually used in user_project_wrapper, so relabeling would be sufficient.