Fix target in gcd Skywater test script
OPT=$1
sc examples/gcd/gcd.v \
- -target "skywater130" \
+ -target "skywater130_asicflow" \
-constraint "examples/gcd/gcd.sdc" \
-asic_diesize "0 0 200.56 201.28" \
-asic_coresize "20.24 21.76 180.32 184.96" \
