Corrections for XFAIL armv5 tests

Most of the tests that behave differently on llvm-arm-linux buildbot
did so becase the triple wasn't set correctly to armv5, so we can
revert most of the special behaviour added previously. Some tests
still need the special treatment, though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176243 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ExecutionEngine/test-call.ll b/test/ExecutionEngine/test-call.ll
index 563d486..3fd39fe 100644
--- a/test/ExecutionEngine/test-call.ll
+++ b/test/ExecutionEngine/test-call.ll
@@ -1,5 +1,5 @@
 ; RUN: %lli %s > /dev/null
-; XFAIL: armv7
+; XFAIL: arm
 
 declare void @exit(i32)