ARM bcm281xx: Turn on socket & network support.

We need this so an actual disk-based root file system will work.
Signed-off-by: NMarkus Mayer <markus.mayer@linaro.org>
Acked-by: NChristian Daudt <csd@broadcom.com>

arch/arm/configs/bcm_defconfig

@@ -42,6 +42,18 @@ CONFIG_VFP=y
 CONFIG_NEON=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_PM_RUNTIME=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_PACKET_DIAG=y
+CONFIG_UNIX=y
+CONFIG_UNIX_DIAG=y
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_ARPD=y
+CONFIG_SYN_COOKIES=y
+CONFIG_TCP_MD5SIG=y
+CONFIG_IPV6=y
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_PROC_DEVICETREE=y