[lldb] Hardcode target in dwo-type-in-main-file.s test

Author: labath

lldb/test/Shell/SymbolFile/DWARF/dwo-type-in-main-file.s

@@ -2,8 +2,10 @@
 # type, but that type is defined in another compile unit in the main object
 # file.
 
-# RUN: llvm-mc %s -o %t --filetype=obj --defsym MAIN=0
-# RUN: llvm-mc %s -o %T/dwo-type-in-main-file-cu2.dwo --filetype=obj --defsym DWO=0
+# REQUIRES: x86
+
+# RUN: llvm-mc %s -o %t --triple=x86_64-pc-linux --filetype=obj --defsym MAIN=0
+# RUN: llvm-mc %s -o %T/dwo-type-in-main-file-cu2.dwo --triple=x86_64-pc-linux --filetype=obj --defsym DWO=0
 # RUN: cd %T
 # RUN: %lldb %t -o "target var a" -b 2>&1 | FileCheck %s