update variables | add more repos to commit check

.circleci/create-hash.sh

@@ -5,8 +5,12 @@
 # turn echo on and error on earliest command
 set -ex
 
+# get shared variables
+SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
+source $SCRIPT_DIR/defaults.sh
+
 # enter bhd repo
-cd $HOME/project
+cd $LOCAL_CHIPYARD_DIR
 
 # get the version of riscv-tools from the git submodule hash
 git submodule status | grep "riscv-tools" | awk '{print$1}' | grep -o "[[:alnum:]]*" >> $HOME/riscv-tools.hash