Fixed missing square brackets in install-p4-tools.sh
Fixed missing square brackets in install-p4-tools.sh

Change-Id: I46e118bba275e704ddc0c73514796e2ca2495b52

oplinkoms/onos,kuujo/onos,gkatsikas/onos,kuujo/onos,oplinkoms/onos,gkatsikas/onos,opennetworkinglab/onos,opennetworkinglab/onos,gkatsikas/onos,kuujo/onos,kuujo/onos,gkatsikas/onos,opennetworkinglab/onos,gkatsikas/onos,opennetworkinglab/onos,kuujo/onos,oplinkoms/onos,oplinkoms/onos,gkatsikas/onos,oplinkoms/onos,opennetworkinglab/onos,kuujo/onos,kuujo/onos,opennetworkinglab/onos,oplinkoms/onos,oplinkoms/onos