busybox: Add help documentation in menuconfig

Explaining why you shouldn't be here, and about version tainting.

Signed-off-by: Karl Palsson <karlp@remake.is>

SVN-Revision: 39440

package/utils/busybox/Config.in

@@ -3,6 +3,14 @@ if PACKAGE_busybox
 config BUSYBOX_CUSTOM
 	bool "Customize busybox options"
 	default n
+        help
+          Enabling this allows full customization of busybox settings.
+          Note that there are many options here that can result in a build
+          that doesn't work properly.  Enabling customization will mark your
+          build as "tainted" for the purpose of bug reports.
+          See the variables written to /etc/openwrt_release
+
+          Unless you know what you are doing, you should leave this as 'n'
 
 	source "package/utils/busybox/Config-defaults.in"