Rename ReverseCondition to CommuteCondition, a more standard term.

src/arm64/constants-arm64.h

Index: src/arm64/constants-arm64.h
diff --git a/src/arm64/constants-arm64.h b/src/arm64/constants-arm64.h
index 4afd73343bbded3af37863312e6ed90a33327650..38dc328bf45df9d03ea72caead0ca5364699e8b3 100644
--- a/src/arm64/constants-arm64.h
+++ b/src/arm64/constants-arm64.h
@@ -265,8 +265,8 @@ inline Condition NegateCondition(Condition cond) {
   return static_cast<Condition>(cond ^ 1);
 }
 
-// Corresponds to transposing the operands of a comparison.
-inline Condition ReverseCondition(Condition cond) {
+// Commute a condition such that a cond b == b cond' b.
+inline Condition CommuteCondition(Condition cond) {
   switch (cond) {
     case lo:
       return hi;