- mention from which version this copy of kconfig comes from (redundant since i noted it already in the checkin message, but ok).

package/config/README.buildroot2

@@ -1,4 +1,5 @@
-This is a copy of the kconfig code in the kernel tweaked to suit Buildroot.
+This is a copy of the kconfig code in the kernel (currently 2.6.21.5) tweaked to
+suit Buildroot.
 
 To update:
 	cp -r /usr/src/linux/scripts/kconfig package/config.new