8301545: [Lilliput] Fix aarch64 interpreter load_nklass()

Reviewed-by: shade

Author: rkennke

src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

@@ -4039,7 +4039,7 @@ void MacroAssembler::load_nklass(Register dst, Register src) {
   // Check if we can take the (common) fast path, if obj is unlocked.
   ldr(dst, Address(src, oopDesc::mark_offset_in_bytes()));
   tst(dst, markWord::monitor_value);
-  br(Assembler::NE, fast);
+  br(Assembler::EQ, fast);
 
   // Fetch displaced header
   ldr(dst, Address(dst, OM_OFFSET_NO_MONITOR_VALUE_TAG(header)));