Rename ClobberCalleeSave to *Caller*, fix it for x86.

Change-Id: I6a72703a11985e2753fa9b4520c375a164301433
diff --git a/compiler/dex/quick/mips/target_mips.cc b/compiler/dex/quick/mips/target_mips.cc
index 9c598e6..869706f 100644
--- a/compiler/dex/quick/mips/target_mips.cc
+++ b/compiler/dex/quick/mips/target_mips.cc
@@ -346,7 +346,7 @@
 }
 
 /* Clobber all regs that might be used by an external C call */
-void MipsMir2Lir::ClobberCalleeSave() {
+void MipsMir2Lir::ClobberCallerSave() {
   Clobber(r_ZERO);
   Clobber(r_AT);
   Clobber(r_V0);