[Driver][Mips] Remove redundant brackets.

No functional changes.

llvm-svn: 211983
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index d563cbe..352deb0 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -5520,7 +5520,7 @@
     MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
   }
   bool setABI(const std::string &Name) override {
-    if ((Name == "o32") || (Name == "eabi")) {
+    if (Name == "o32" || Name == "eabi") {
       ABI = Name;
       return true;
     } else if (Name == "32") {