kirkwood: remove redundant code in etc/board.d/02_network

Remove redundant code: merge boards/cases that share
the same network configuration.
Also fix the alphabetical ordering of the cases.

Signed-off-by: Paul Wassi <p.wassi@gmx.at>

target/linux/kirkwood/base-files/etc/board.d/02_network

@@ -14,16 +14,15 @@ case "$board" in
 "dockstar"|\
 "goflexhome"|\
 "goflexnet"|\
-"iconnect"|\
 "ib62x0"|\
+"iconnect"|\
 "nsa310s"|\
-"pogo_e02")
+"pogo_e02"|\
+"sheevaplug"|\
+"sheevaplug-esata")
 	ucidef_set_interface_lan "eth0" "dhcp"
 	;;
-"linksys-audi")
-	ucidef_add_switch "switch0" \
-		"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0" "6@eth1"
-	;;
+"linksys-audi"|\
 "linksys-viper")
 	ucidef_add_switch "switch0" \
 		"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0" "6@eth1"
@@ -31,10 +30,6 @@ case "$board" in
 "guruplug-server-plus")
 	ucidef_set_interface_lan "eth0 eth1" "dhcp"
 	;;
-"sheevaplug" | \
-"sheevaplug-esata")
-	ucidef_set_interface_lan "eth0" "dhcp"
-	;;
 *)
 	ucidef_set_interface_lan "eth0"
 	;;