[Mips] Add support for nan2008 libraries and headers look up for Code
Sourcery MIPS toolchain.

llvm-svn: 195753
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index b9e97fd..0472cdc 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1457,6 +1457,8 @@
 
   if (isSoftFloatABI(Args))
     Suffix += "/soft-float";
+  else if (isMipsNan2008(Args))
+    Suffix += "/nan2008";
 
   if (TargetArch == llvm::Triple::mipsel ||
       TargetArch == llvm::Triple::mips64el)