[ARM] Kirkwood: add LaCie d2 Network v2 to defconfig

Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

arch/arm/configs/kirkwood_defconfig

@@ -24,6 +24,7 @@ CONFIG_MACH_OPENRD_ULTIMATE=y
 CONFIG_MACH_NETSPACE_V2=y
 CONFIG_MACH_INETSPACE_V2=y
 CONFIG_MACH_NETSPACE_MAX_V2=y
+CONFIG_MACH_D2NET_V2=y
 CONFIG_MACH_NET2BIG_V2=y
 CONFIG_MACH_NET5BIG_V2=y
 CONFIG_MACH_T5325=y