[RISCV][ASAN] Fix passing XFAIL tests

These tests pass for RV64 Linux, but they are marked as XFAIL. This patch
fixes that.

Differential Revision: https://reviews.llvm.org/D89299

Author: luismarques

compiler-rt/test/asan/TestCases/Linux/odr-violation.cpp

@@ -1,7 +1,7 @@
 // FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
 // XFAIL: android
 // Fails with debug checks: https://bugs.llvm.org/show_bug.cgi?id=46862
-// XFAIL: !compiler-rt-optimized
+// XFAIL: !compiler-rt-optimized && !riscv64
 //
 // We use fast_unwind_on_malloc=0 to have full unwinding even w/o frame
 // pointers. This setting is not on by default because it's too expensive.

compiler-rt/test/asan/TestCases/Linux/odr-vtable.cpp

@@ -1,5 +1,5 @@
 // Fails with debug checks: https://bugs.llvm.org/show_bug.cgi?id=46862
-// XFAIL: !compiler-rt-optimized
+// XFAIL: !compiler-rt-optimized && !riscv64
 
 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO1 -fPIC -shared %s -o %dynamiclib1
 // RUN: %clangxx_asan -fno-rtti -DBUILD_SO2 -fPIC -shared %s -o %dynamiclib2