MIPS: Encode CEntryStub properties in the minor key.

Port r23355 (1be1443)

Original commit message:
Eventually, all stubs should encode its properties in the minor key
so that stubs can be restored directly from the stub key.

BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/505823003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23371 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips64/code-stubs-mips64.cc

@@ -1480,7 +1480,7 @@ void CEntryStub::Generate(MacroAssembler* masm) {
 
   // Enter the exit frame that transitions from JavaScript to C++.
   FrameScope scope(masm, StackFrame::MANUAL);
-  __ EnterExitFrame(save_doubles_);
+  __ EnterExitFrame(save_doubles());
 
   // s0: number of arguments  including receiver (C callee-saved)
   // s1: pointer to first argument (C callee-saved)
@@ -1567,7 +1567,7 @@ void CEntryStub::Generate(MacroAssembler* masm) {
   // sp: stack pointer
   // fp: frame pointer
   // s0: still holds argc (callee-saved).
-  __ LeaveExitFrame(save_doubles_, s0, true, EMIT_RETURN);
+  __ LeaveExitFrame(save_doubles(), s0, true, EMIT_RETURN);
 
   // Handling of exception.
   __ bind(&exception_returned);