[tools,ipgen] Improve VLNV renaming #277

Job	Run time
Lint (quick)	48s
Build documentation	0s
CW305's Bitstream	0s
Run OTBN smoke Test	0s
Earl Grey for CW310	0s
Verible lint	0s
Verilated Earl Grey	0s
Verilated English Breakfast	0s
Airgapped build	0s
Run OTBN crypto tests	0s
Lint (slow)	-1s
Build and test Darjeeling software	-1s
Build Docker Containers	-1s
Earl Grey for CW310 Hyperdebug	-1s
Build and test software	-1s
Earl Grey for CW340	-1s
QEMU smoketest	-1s
CW310 Manufacturing Tests	0s
CW310 SiVal ROM_EXT Tests	0s
CW340 SiVal ROM_EXT Tests	0s
CW340 SiVal Tests	0s
CW340 ROM Tests	0s
Hyper310 ROM_EXT Tests	0s
CW310 Test ROM Tests	0s
Cache bitstreams to GCP	0s
CW340 Test ROM Tests	0s
CW340 ROM_EXT Tests	0s
CW310 ROM Tests	0s
CW340 Manufacturing Tests	0s
CW310 SiVal Tests	0s
Verify FPGA jobs	0s
	41s

Provide feedback