File fix-libtracefs.patch of Package failed_rtla

```diff
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -213,6 +213,7 @@ FEATURE_TESTS ?= \
        test-libunwind \
        test-libdw-dwarf-unwind \
        test-libslang \
+       test-libtracefs \
 
 FEATURE_TESTS_BASIC ?= \
        test-all \

diff --git a/tools/build/feature/test-libtracefs.c b/tools/build/feature/test-libtracefs.c
new file mode 100644
--- /dev/null
+++ b/tools/build/feature/test-libtracefs.c
@@ -0,0 +1,5 @@
+#include <tracefs.h>
+
+int main(void)
+{
+}
```

---

#### 2. `tools/build/feature/Makefile`
We manually apply the patch changes to the `Makefile`.