gn build: Add missing source files to hwasan library.

Author: pcc

llvm/utils/gn/secondary/compiler-rt/lib/hwasan/BUILD.gn

@@ -59,6 +59,8 @@ source_set("sources") {
     "hwasan_report.h",
     "hwasan_setjmp_aarch64.S",
     "hwasan_setjmp_riscv64.S",
+    "hwasan_tag_mismatch_aarch64.S",
+    "hwasan_tag_mismatch_riscv64.S",
     "hwasan_thread.cpp",
     "hwasan_thread.h",
     "hwasan_thread_list.cpp",