Wait for SPI done for all targets #6964

Job	Run time
Build dependencies	2m 41s
bittide-instances synthesis matrix generation	22s
license-check	18s
bittide-instances hardware-in-the-loop test matrix generation	22s
Basic linting	1m 4s
Bittide tests	5m 52s
bittide-experiments unittests	47s
bittide-instances doctests	1m 1s
Firmware Limit Checks	55s
Firmware Support Unit Tests	2m 16s
Rust Lints	27s
bittide-instances unittests	58s
synth (swCcOneTopologyTest, test)	16m 58s
HITL (swCcOneTopologyTest, test)	5m 56s
Generate clock control report	1m 4s
All jobs finished	4s
	41m 5s

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