[ipgen] Move SPI_HOST to ipgen #3567

Job	Run time
Lint (quick)	3m 6s
Verible lint	1m 13s
Airgapped build	17m 45s
Run OTBN crypto tests	27m 33s
Build documentation	4m 53s
Run OTBN smoke Test	2m 48s
Lint (slow)	15m 39s
Verilated English Breakfast	8m 52s
Build Docker Containers	2m 52s
CW305's Bitstream	22m 8s
Verilated Earl Grey	1h 18m 45s
Build and test software	19m 30s
Earl Grey for CW310 / Build bitstream	1h 7m 58s
Earl Grey for CW310 Hyperdebug / Build bitstream	1h 11m 53s
Earl Grey for CW340 / Build bitstream	1h 26m 23s
CW310 ROM_EXT Tests / FPGA test	5m 32s
CW310 Test ROM Tests / FPGA test	4m 4s
CW310 ROM Tests / FPGA test	42m 49s
CW310 SiVal ROM_EXT Tests / FPGA test	40m 34s
CW310 Manufacturing Tests / FPGA test	34m 45s
CW310 SiVal Tests / FPGA test	28m 24s
Cache bitstreams to GCP	0s
CW340 ROM Tests / FPGA test	1m 11s
CW340 ROM_EXT Tests / FPGA test	7m 38s
CW340 Test ROM Tests / FPGA test	5m 22s
CW340 Manufacturing Tests / FPGA test	8m 51s
CW340 SiVal Tests / FPGA test	19m 26s
CW340 SiVal ROM_EXT Tests / FPGA test	4m 19s
Verify FPGA jobs	21s
	10h 34m 34s

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