sweep: add sweep macro #891

Job	Run time
Lint Bazel files	6s
Smoketests	7m 31s
//sram:top_mix_cts	3m 5s
Generate configs	13s
tag_array_64x184_generate_abstract	3m 55s
Local flow - clean setup	6m 59s
open //sram:top_mix	3m 26s
open tag_array_64x184	2m 7s
tag_array_64x184_report	2m 12s
open L1MetadataArray	4m 30s
lb_32x128_generate_abstract	3m 49s
open subpackage:L1MetadataArray	4m 18s
lb_32x128_test_generate_abstract	2m 7s
open subpackage:tag_array_64x184	2m 13s
L1MetadataArray_generate_abstract	4m 59s
data_2048x8_generate_abstract	2m 31s
regfile_128x65_floorplan	2m 7s
subpackage:L1MetadataArray_generate_abstract	5m 4s
subpackage:tag_array_64x184_generate_abstract	2m 1s
Local flow - preinstalled orfs	6m 59s
	1h 10m 12s

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