[compiler-rt][hwasan] Disable deep-recursion.c test on AArch64 Linux

The test program occasionaly fails to detect the fault as it should.
See #69221.

Author: DavidSpickett

compiler-rt/test/hwasan/TestCases/deep-recursion.c

@@ -17,6 +17,9 @@
 // Stack histories are currently not recorded on x86.
 // XFAIL: target=x86_64{{.*}}
 
+// Flaky on AArch64 Linux, see https://github.com/llvm/llvm-project/issues/69221.
+// UNSUPPORTED: target=aarch64-linux{{.*}}
+
 #include <stdlib.h>
 // At least -O1 is needed for this function to not have a stack frame on
 // AArch64.