[lldb] Update test_software_breakpoint_set_and_remove_work for AS

On Apple Silicon the platform arch is arm64 rather than AArch64.

Author: JDevlieghere

lldb/test/API/tools/lldb-server/TestLldbGdbServer.py

@@ -812,7 +812,7 @@ def breakpoint_set_and_remove_work(self, want_hardware):
         target_arch = self.getArchitecture()
 
         # Set the breakpoint.
-        if (target_arch == "arm") or (target_arch == "aarch64"):
+        if target_arch in ["arm", "arm64", "aarch64"]:
             # TODO: Handle case when setting breakpoint in thumb code
             BREAKPOINT_KIND = 4
         else: