[source] busybox: enable the "ip neigh" command (FS#618)

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/76cc264364424013503a709551228edefd1167cd

commit 76cc264364424013503a709551228edefd1167cd
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Thu Mar 16 16:54:16 2017 +0100

    busybox: enable the "ip neigh" command (FS#618)
    
    It is useful for creating static ARP entries.
    Adds about 1.9 KiB after gzip on MIPS.
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 package/utils/busybox/Config-defaults.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/utils/busybox/Config-defaults.in b/package/utils/busybox/Config-defaults.in
index 141f08e..7f2c33a 100644
--- a/package/utils/busybox/Config-defaults.in
+++ b/package/utils/busybox/Config-defaults.in
@@ -2220,7 +2220,7 @@ config BUSYBOX_DEFAULT_FEATURE_IP_RULE
 	default y
 config BUSYBOX_DEFAULT_FEATURE_IP_NEIGH
 	bool
-	default n
+	default y
 config BUSYBOX_DEFAULT_FEATURE_IP_RARE_PROTOCOLS
 	bool
 	default n