Add a test

Author: Jlalond

lldb/test/API/linux/aarch64/tls_registers/TestAArch64LinuxTLSRegisters.py

@@ -93,13 +93,16 @@ def check_tls_reg(self, registers):
         for register in registers:
             self.expect("p {}_was_set".format(register), substrs=["true"])
 
+        self.expect("reg read tp", substrs=[hex(set_values["tpidr"])])
+
     @skipUnlessArch("aarch64")
     @skipUnlessPlatform(["linux"])
     def test_tls_no_sme(self):
         if self.isAArch64SME():
             self.skipTest("SME must not be present.")
 
         self.check_tls_reg(["tpidr"])
+        
 
     @skipUnlessArch("aarch64")
     @skipUnlessPlatform(["linux"])