Remove the mblaze backend from llvm.

Approval in here http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/064169.html

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187145 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.rst b/docs/GettingStarted.rst
index 3498b88..40dfc45 100644
--- a/docs/GettingStarted.rst
+++ b/docs/GettingStarted.rst
@@ -758,7 +758,7 @@
   target names that you want available in llc. The target names use all lower
   case. The current set of targets is:
 
-    ``arm, cpp, hexagon, mblaze, mips, mipsel, msp430, powerpc, ptx, sparc, spu,
+    ``arm, cpp, hexagon, mips, mipsel, msp430, powerpc, ptx, sparc, spu,
     systemz, x86, x86_64, xcore``.
 
 ``--enable-doxygen``