install.texi (Specific): Remove link to ftp.kernel.org and simplify binutils requirement.

	* doc/install.texi (Specific) <powerpc-*-*>: Remove link to
	ftp.kernel.org and simplify binutils requirement.

From-SVN: r246077

gcc/ChangeLog

+2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* doc/install.texi (Specific) <powerpc-*-*>: Remove link to
+	ftp.kernel.org and simplify binutils requirement.
+
 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* doc/invoke.texi (Warning Options): Fix spelling of link-time

gcc/doc/install.texi

@@ -4207,9 +4207,7 @@ Use the @option{--disable-sjlj-exceptions} and
 You can specify a default version for the @option{-mcpu=@var{cpu_type}}
 switch by using the configure option @option{--with-cpu-@var{cpu_type}}.
 
-You will need
-@uref{ftp://ftp.kernel.org/pub/linux/devel/binutils,,binutils 2.15}
-or newer for a working GCC@.
+You will need GNU binutils 2.15 or newer.
 
 @html
 <hr />