Add MIPS Technologies to the vendors in llvm::Triple.

This is a prerequisite for checking for 'mti' and 'img' in a consistent way in
clang. Previously 'img' could use Triple::getVendor() but 'mti' could only use
Triple::getVendorName().

llvm-svn: 213381
diff --git a/llvm/lib/Support/Triple.cpp b/llvm/lib/Support/Triple.cpp
index 25ddb76..714d9e8 100644
--- a/llvm/lib/Support/Triple.cpp
+++ b/llvm/lib/Support/Triple.cpp
@@ -117,6 +117,7 @@
   case Freescale: return "fsl";
   case IBM: return "ibm";
   case ImaginationTechnologies: return "img";
+  case MipsTechnologies: return "mti";
   case NVIDIA: return "nvidia";
   case CSR: return "csr";
   }
@@ -298,6 +299,7 @@
     .Case("fsl", Triple::Freescale)
     .Case("ibm", Triple::IBM)
     .Case("img", Triple::ImaginationTechnologies)
+    .Case("mti", Triple::MipsTechnologies)
     .Case("nvidia", Triple::NVIDIA)
     .Case("csr", Triple::CSR)
     .Default(Triple::UnknownVendor);