selftests: net: lib: Rename ip_link_set_addr() to adf_*

Rename this function to mark it as autodefer.
For details, see the discussion in the cover letter.

Signed-off-by: Petr Machata <[e-mail]>
Reviewed-by: Simon Horman <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

tools/testing/selftests/net/forwarding/bridge_fdb_local_vlan_0.sh

···
 	adf_ip_link_add br up type bridge vlan_default_pvid 0 "$@"
 	mac=$(mac_get br)
 	adf_bridge_configure
-	ip_link_set_addr br "$mac"
+	adf_ip_link_set_addr br "$mac"
 }
 
 check_fdb_local_vlan_0_support()
···
 	cur_mac=$(mac_get "$dev")
 
 	log_info "Change $dev MAC $cur_mac -> $mac"
-	ip_link_set_addr "$dev" "$mac"
+	adf_ip_link_set_addr "$dev" "$mac"
 	defer log_info "Change $dev MAC back"
 }
 
···
 adf_addr_set_bridge_create()
 {
 	adf_ip_link_add br up type bridge vlan_filtering 0
-	ip_link_set_addr br "$(mac_get br)"
+	adf_ip_link_set_addr br "$(mac_get br)"
 	adf_bridge_configure
 }
 

tools/testing/selftests/net/forwarding/vxlan_bridge_1q_mc_ul.sh

···
 	swp1_mac=$(mac_get "$swp1")
 	adf_ip_link_add br1 type bridge vlan_filtering 1 \
 			    vlan_default_pvid 0 mcast_snooping 0
-	ip_link_set_addr br1 "$swp1_mac"
+	adf_ip_link_set_addr br1 "$swp1_mac"
 	ip_link_set_up br1
 
 	# A dummy to force the IPv6 OIF=0 test to install a suitable MC route on

tools/testing/selftests/net/forwarding/vxlan_reserved.sh

···
 	adf_ip_link_add br1 type bridge vlan_filtering 0 mcast_snooping 0
 	# Make sure the bridge uses the MAC address of the local port and not
 	# that of the VxLAN's device.
-	ip_link_set_addr br1 $(mac_get $swp1)
+	adf_ip_link_set_addr br1 $(mac_get $swp1)
 	ip_link_set_up br1
 
 	ip_link_set_up $rp1

tools/testing/selftests/net/lib.sh

···
 		defer ip link set dev "$member" nomaster
 }
 
-ip_link_set_addr()
+adf_ip_link_set_addr()
 {
 	local name=$1; shift
 	local addr=$1; shift