change the default command file of network

The options -N of runltp means "Run all the networking tests", and when
exec  runltp -N and no command files were provied, the cmmand file of
"$LTPROOT/scenario_groups/network" should execute, so the the "$LTPROOT/
scenario_groups/network" should include the all the networking tests.

Signed-off-by: Sun Lianwen <[email protected]>
Acked-by: Petr Vorel <[email protected]>

Author: Sun Lianwen

scenario_groups/network

@@ -1,4 +1,22 @@
+can
+net.features
+net.ipv6
+net.ipv6_lib
 net.tcp_cmds
 net.multicast
 net.rpc
 net.nfs
+net.rpc_tests
+net.tirpc_tests
+net.sctp
+network_commands
+net_stress.appl
+net_stress.broken_ip
+net_stress.interface
+net_stress.ipsec_dccp
+net_stress.ipsec_icmp
+net_stress.ipsec_sctp
+net_stress.ipsec_tcp
+net_stress.ipsec_udp
+net_stress.multicast
+net_stress.route