It is not guarenteed that we will be in $WORKSPACE when this script
runs. Adding $WORKSPACE/sfc-py helps ensure that we cd to the right
place in case this something changes the environment in the future.
Change-Id: I550eb40e7fc5943452fbf286c8279fc13d1dd798 Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>