busybox: update to version 1.25.0

The following patches were removed:
010-networking-fix-uninitialized-memory-when-displaying-.patch
  https://git.busybox.net/busybox/commit/?id=f2c043acfcf9dad9fd3d65821b81f89986bbe54e

030-ip-fix-problem-on-mips64-n64-big-endian-musl-systems.patch
  https://git.busybox.net/busybox/commit/?id=4ab372d49a6e82b0bf097dedb96d26330c5f2d5f

204-udhcpc_src_ip_rebind.patch
  https://git.busybox.net/busybox/commit/?id=abe8f7515aded80889d78c2c1c8947997918cf90

230-ntpd_delayed_resolve.patch
  https://git.busybox.net/busybox/commit/?id=c8641962e4cbde48108ddfc1c105e3320778190d
  https://git.busybox.net/busybox/commit/?id=e4caf1dd9ce8569371a0eeb77ccf02a572dc0f11

260-arping_missing_includes.patch
  Not needed any more, still builds with musl for me.
  Add in 92fd6e6f1a "busybox: fix arping applet building on musl"

The Kconfig files were updated with these commands:
cd config
../convert_menuconfig.pl .../build_dir/target-*/busybox-1.25.0
cd ..
./convert_defaults.pl < .../build_dir/target-*/busybox-1.25.0/.config > Config-defaults.in

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/utils/busybox/config/networking/Config.in

@@ -673,7 +673,7 @@ config BUSYBOX_CONFIG_FEATURE_INETD_SUPPORT_BUILTIN_CHARGEN
 
 config BUSYBOX_CONFIG_FEATURE_INETD_RPC
 	bool "Support RPC services"
-	default BUSYBOX_DEFAULT_FEATURE_INETD_RPC
+	default BUSYBOX_DEFAULT_FEATURE_INETD_RPC  # very rarely used, and needs Sun RPC support in libc
 	depends on BUSYBOX_CONFIG_INETD
 	select BUSYBOX_CONFIG_FEATURE_HAVE_RPC
 	help
@@ -730,6 +730,13 @@ config BUSYBOX_CONFIG_FEATURE_IP_RULE
 	help
 	  Add support for rule commands to "ip".
 
+config BUSYBOX_CONFIG_FEATURE_IP_NEIGH
+	bool "ip neighbor"
+	default BUSYBOX_DEFAULT_FEATURE_IP_NEIGH
+	depends on BUSYBOX_CONFIG_IP
+	help
+	  Add support for neighbor commands to "ip".
+
 config BUSYBOX_CONFIG_FEATURE_IP_SHORT_FORMS
 	bool "Support short forms of ip commands"
 	default BUSYBOX_DEFAULT_FEATURE_IP_SHORT_FORMS
@@ -741,6 +748,7 @@ config BUSYBOX_CONFIG_FEATURE_IP_SHORT_FORMS
 	  ip route  -> iproute
 	  ip tunnel -> iptunnel
 	  ip rule   -> iprule
+	  ip neigh  -> ipneigh
 
 	  Say N unless you desparately need the short form of the ip
 	  object commands.
@@ -780,6 +788,11 @@ config BUSYBOX_CONFIG_IPRULE
 	default BUSYBOX_DEFAULT_IPRULE
 	depends on BUSYBOX_CONFIG_FEATURE_IP_SHORT_FORMS && BUSYBOX_CONFIG_FEATURE_IP_RULE
 
+config BUSYBOX_CONFIG_IPNEIGH
+	bool
+	default BUSYBOX_DEFAULT_IPNEIGH
+	depends on BUSYBOX_CONFIG_FEATURE_IP_SHORT_FORMS && BUSYBOX_CONFIG_FEATURE_IP_NEIGH
+
 config BUSYBOX_CONFIG_IPCALC
 	bool "ipcalc"
 	default BUSYBOX_DEFAULT_IPCALC