open: fixes e.g. FASTROUTE_TCL error in open.tcl #981

Job	Run time
Generate configs	10s
//sram:top_mix_cts	3m 15s
Lint Bazel files	5s
Smoketests	19m 32s
tag_array_64x184_generate_abstract	3m 19s
tag_array_64x184_report	2m 15s
open //sram:top_mix	3m 33s
lb_32x128_generate_abstract	3m 54s
Local flow - clean setup	5m 29s
open tag_array_64x184	2m 14s
lb_32x128_test_generate_abstract	2m 23s
open L1MetadataArray	3m 50s
L1MetadataArray_generate_abstract	4m 16s
open subpackage:L1MetadataArray	3m 49s
data_2048x8_generate_abstract	2m 19s
open subpackage:tag_array_64x184	2m 6s
regfile_128x65_floorplan	2m 13s
subpackage:L1MetadataArray_generate_abstract	4m 20s
subpackage:tag_array_64x184_generate_abstract	2m 8s
Local flow - preinstalled orfs	5m 43s
	1h 16m 53s

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