llvm-cov.test: Remove XFAIL:arm. Seems this is passing since my tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194712 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/tools/llvm-cov/llvm-cov.test b/test/tools/llvm-cov/llvm-cov.test
index a64474a..28738a7 100644
--- a/test/tools/llvm-cov/llvm-cov.test
+++ b/test/tools/llvm-cov/llvm-cov.test
@@ -7,4 +7,4 @@
 
 RUN: not llvm-cov -gcno=test_read_fail.gcno -gcda=test.gcda
 
-XFAIL: powerpc64, s390x, arm
+XFAIL: powerpc64, s390x