rockboxdev: Store toolchain patches in-tree, instead of downloading them

This frees us from having to keep the web site in sync.

Note that only currently-referenced patches were kept.

Change-Id: I50da1b75baeac214cf142c8b76a05a8c56b4c1d4

tools/toolchain-patches/binutils-2.20.1-texinfo-fix.diff

@@ -0,0 +1,21 @@
+diff -ru binutils-2.20.1-orig/bfd/doc/bfd.texinfo binutils-2.20.1/bfd/doc/bfd.texinfo
+--- binutils-2.20.1-orig/bfd/doc/bfd.texinfo 2013-05-12 17:28:30.461074959 +0200
++++ binutils-2.20.1/bfd/doc/bfd.texinfo 2013-05-12 17:26:54.175902524 +0200
+@@ -323,7 +323,7 @@
+ @printindex cp
+ 
+ @tex
+-% I think something like @colophon should be in texinfo.  In the
++% I think something like @@colophon should be in texinfo.  In the
+ % meantime:
+ \long\def\colophon{\hbox to0pt{}\vfill
+ \centerline{The body of this manual is set in}
+@@ -334,7 +334,7 @@
+ \centerline{{\sl\fontname\tensl\/}}
+ \centerline{are used for emphasis.}\vfill}
+ \page\colophon
+-% Blame: doc@cygnus.com, 28mar91.
++% Blame: doc@@cygnus.com, 28mar91.
+ @end tex
+ 
+ @bye