[sanitizer] Enable trace pc guard coverage test on PPC64/s390x/MIPS

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D120472

Author: XiaodongLoong

compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard-dso.cpp

@@ -1,8 +1,8 @@
 // Tests trace pc guard coverage collection.
 
-// REQUIRES: has_sancovcc,stable-runtime
+// REQUIRES: has_sancovcc
 // UNSUPPORTED: ubsan
-// XFAIL: tsan,darwin,powerpc64,s390x,mips
+// XFAIL: tsan,darwin
 // XFAIL: android && asan
 
 // RUN: DIR=%t_workdir

compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp

@@ -1,8 +1,8 @@
 // Tests trace pc guard coverage collection.
 
-// REQUIRES: has_sancovcc,stable-runtime
+// REQUIRES: has_sancovcc
 // UNSUPPORTED: ubsan,i386-darwin
-// XFAIL: tsan,powerpc64,s390x,mips
+// XFAIL: tsan
 // XFAIL: android && asan
 
 // RUN: DIR=%t_workdir