Document cortex-a53 in ARM options.

2013-04-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

       * doc/invoke.texi (ARM Options): Document cortex-a53 support.

From-SVN: r197513

gcc/ChangeLog

+2013-04-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+	* doc/invoke.texi (ARM Options): Document cortex-a53 support.
+
 2013-04-04  Ian Lance Taylor  <iant@google.com>
 
 	* doc/standards.texi (Standards): The Go frontend supports the Go

gcc/doc/invoke.texi

@@ -11266,8 +11266,8 @@ assembly code.  Permissible names are: @samp{arm2}, @samp{arm250},
 @samp{arm1136j-s}, @samp{arm1136jf-s}, @samp{mpcore}, @samp{mpcorenovfp},
 @samp{arm1156t2-s}, @samp{arm1156t2f-s}, @samp{arm1176jz-s}, @samp{arm1176jzf-s},
 @samp{cortex-a5}, @samp{cortex-a7}, @samp{cortex-a8}, @samp{cortex-a9}, 
-@samp{cortex-a15}, @samp{cortex-r4}, @samp{cortex-r4f}, @samp{cortex-r5},
-@samp{cortex-r7}, @samp{cortex-m4}, @samp{cortex-m3},
+@samp{cortex-a15}, @samp{cortex-a53}, @samp{cortex-r4}, @samp{cortex-r4f},
+@samp{cortex-r5}, @samp{cortex-r7}, @samp{cortex-m4}, @samp{cortex-m3},
 @samp{cortex-m1},
 @samp{cortex-m0},
 @samp{cortex-m0plus},