Replace autogen DIF code by bazel rules #4258

Job	Run time
Lint (quick)	3m 6s
Build documentation	5m 36s
Airgapped build	8m 16s
Lint (slow)	11m 25s
Verible lint	1m 5s
CW305's Bitstream	26m 4s
Run OTBN crypto tests	23m 56s
Run OTBN smoke Test	2m 45s
Verilated Earl Grey	1h 23m 1s
Verilated English Breakfast	10m 1s
Build Docker Containers	2m 56s
Build and test software	19m 52s
Earl Grey for CW310 / Build bitstream	1h 5m 12s
Earl Grey for CW310 Hyperdebug / Build bitstream	1h 7m 40s
Earl Grey for CW340 / Build bitstream	1h 37m 2s
CW310 Test ROM Tests / FPGA test	4m 49s
CW310 ROM Tests / FPGA test	45m 46s
CW310 SiVal ROM_EXT Tests / FPGA test	36m 18s
CW310 Manufacturing Tests / FPGA test	29m 49s
CW310 SiVal Tests / FPGA test	27m 24s
CW310 ROM_EXT Tests / FPGA test	8m 53s
Cache bitstreams to GCP	0s
CW340 Manufacturing Tests / FPGA test	40m 42s
CW340 ROM Tests / FPGA test	49s
CW340 ROM_EXT Tests / FPGA test	6m 10s
CW340 SiVal Tests / FPGA test	17m 14s
CW340 Test ROM Tests / FPGA test	3m 15s
CW340 SiVal ROM_EXT Tests / FPGA test	4m 46s
Verify FPGA jobs	19s
	10h 54m 11s

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