[mips] Fix a broken link to mips.com in the documentation.

It now points to the equivalent page on imgtec.com


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191658 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CompilerWriterInfo.rst b/docs/CompilerWriterInfo.rst
index 6110d0b..24b5ba1 100644
--- a/docs/CompilerWriterInfo.rst
+++ b/docs/CompilerWriterInfo.rst
@@ -39,7 +39,7 @@
 MIPS
 ----
 
-* `MIPS Processor Architecture <http://mips.com/content/Documentation/MIPSDocumentation/ProcessorArchitecture/doclibrary>`_
+* `MIPS Processor Architecture <http://imgtec.com/mips/mips-architectures.asp>`_
 
 PowerPC
 -------