little modification

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@655 3c298f89-4303-0410-b956-a3cf2f4a3e73

README

 This is the buildsystem for the OpenWrt Linux distribution
-It is a modified uClibc buildroot2.
 
 Please use "make menuconfig" to configure your appreciated
 configuration for the toolchain and firmware.
 
+You need to have installed gcc, binutils, patch, bzip2, flex, bison,
+make,gettext and libc headers.
+
 Simply running 'make' will build your firmware.
 It will download all sources, build the cross-compile toolchain, 
 the kernel and all choosen applications.
@@ -13,6 +15,8 @@ via tftp.
 
 The buildroot system is documented in docs/buildroot-documentation.html.
 
+Building your own firmware you need to have access to a Linux system.
+
 Sunshine!
 	Your OpenWrt Project
 	http://openwrt.org