Fixing gcd example to include basic packaging
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
sc gcd.v \
+ -package_version "0.0.0" \
+ -package_description "GCD test package" \
+ -package_license "MIT" \
-target "freepdk45_demo" \
-constraint "gcd.sdc" \
-asic_diearea "(0,0)" \
