common: xml: add switchblock_locations to sub_tile
common: xml: add switchblock_locations to sub_tile

Signed-off-by: Paweł Czarnecki <be3a62494a976d1435cc0900bd9adf3fa1029787@antmicro.com>

SymbiFlow/symbiflow-arch-defs,SymbiFlow/symbiflow-arch-defs