Fix link error with busybox and glibc

ports/busybox/defconfig

Index: ports/busybox/defconfig
diff --git a/ports/busybox/defconfig b/ports/busybox/defconfig
new file mode 100644
index 0000000000000000000000000000000000000000..8b6b7762d42ead02a14131112f264880849e67a7
--- /dev/null
+++ b/ports/busybox/defconfig
@@ -0,0 +1,45 @@
+CONFIG_ACPID=n
+CONFIG_ARP=n
+CONFIG_ARPING=n
+CONFIG_BLOCKDEV=n
+CONFIG_BRCTL=n
+CONFIG_EJECT=n
+CONFIG_ETHER_WAKE=n
+CONFIG_FBSPLASH=n
+CONFIG_FDFLUSH=n
+CONFIG_FDISK=n
+CONFIG_FEATURE_IFUPDOWN_IP_BUILTIN=n
+CONFIG_FEATURE_INETD_RPC=n
+CONFIG_FEATURE_IP_LINK=n
+CONFIG_FEATURE_MOUNT_LOOP=n
+CONFIG_FEATURE_SUID=n
+CONFIG_FREE=n
+CONFIG_FREERAMDISK=n
+CONFIG_FSTRIM=n
+CONFIG_HDPARM=n
+CONFIG_IFCONFIG=n
+CONFIG_IFENSLAVE=n
+CONFIG_IFPLUGD=n
+CONFIG_IP=n
+CONFIG_LOSETUP=n
+CONFIG_MKFS_EXT2=n
+CONFIG_MKFS_VFAT=n
+CONFIG_MOUNT=n
+CONFIG_NANDDUMP=n
+CONFIG_NANDWRITE=n
+CONFIG_NBDCLIENT=n
+CONFIG_RAIDAUTORUN=n
+CONFIG_ROUTE=n
+CONFIG_SLATTACH=n
+CONFIG_TUNCTL=n
+CONFIG_UBIATTACH=n
+CONFIG_UBIDETACH=n
+CONFIG_UBIMKVOL=n
+CONFIG_UBIRMVOL=n
+CONFIG_UBIRSVOL=n
+CONFIG_UBIUPDATEVOL=n
+CONFIG_UDHCPC=n
+CONFIG_UDHCPD=n
+CONFIG_UMOUNT=n
+CONFIG_UPTIME=n
+CONFIG_WATCHDOG=n