[PowerPC] fix trivial typos in comment, NFC

llvm-svn: 305813
diff --git a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
index fd8df8c..a88a654 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -388,7 +388,7 @@
   // FIXME: We probably don't need to run these for -fPIE.
   if (getPPCTargetMachine().isPositionIndependent()) {
     // FIXME: LiveVariables should not be necessary here!
-    // PPCTLSDYnamicCallPass uses LiveIntervals which previously dependet on
+    // PPCTLSDynamicCallPass uses LiveIntervals which previously dependent on
     // LiveVariables. This (unnecessary) dependency has been removed now,
     // however a stage-2 clang build fails without LiveVariables computed here.
     addPass(&LiveVariablesID, false);