Add user words to transceiver input/output (simulation only) #7202

Job	Run time
bittide-instances synthesis matrix generation	17s
Build dependencies	6m 43s
license-check	17s
bittide-instances hardware-in-the-loop test matrix generation	24s
Basic linting	1m 8s
Rust Lints	46s
Bittide tests	7m 29s
bittide-experiments unittests	52s
Firmware Limit Checks	42s
bittide-instances doctests	51s
Firmware Support Unit Tests	2m 57s
synth (safeDffSynchronizer, hdl)	1m 5s
bittide-instances unittests	2m 28s
synth (swCcOneTopologyTest, test)	11m 43s
synth (linkConfigurationTest, test)	11m 52s
synth (transceiversUpTest, test)	11m 31s
synth (vexRiscvTcpTest, test)	11m 17s
synth (vexRiscvTest, test)	9m 41s
HITL	1s
Generate clock control report	1s
All jobs finished	1s
	1h 22m 6s

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