s390x: remove PrepareStackFrame support

Change-Id: Id077f3c85d0610d5da192a954c942208594f0377
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2622867Reviewed-by: Milad Fa <mfarazma@redhat.com>
Commit-Queue: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/master@{#72017}

src/wasm/baseline/s390/liftoff-assembler-s390.h

@@ -92,6 +92,7 @@ inline MemOperand GetInstanceOperand() { return GetStackSlot(kInstanceOffset); }
 }  // namespace liftoff
 
 int LiftoffAssembler::PrepareStackFrame() {
+  bailout(kUnsupportedArchitecture, "PrepareStackFrame");
   int offset = pc_offset();
   lay(sp, MemOperand(sp));
   return offset;