sram: fix address width #525

Job	Run time
Generate configs	8s
Local flow - clean setup	5m 37s
tag_array_64x184_generate_abstract	4m 51s
Lint Bazel files	6s
tag_array_64x184_report	5m 39s
lb_32x128_generate_abstract	4m 58s
lb_32x128_test_generate_abstract	4m 47s
L1MetadataArray_generate_abstract	8m 40s
data_2048x8_generate_abstract	4m 18s
regfile_128x65_floorplan	6m 29s
subpackage:L1MetadataArray_generate_abstract	5m 46s
subpackage:tag_array_64x184_generate_abstract	6m 2s
Local flow - preinstalled orfs	5m 35s
	1h 2m 56s

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