cryptohome: Add stub functions to query PKCS11 set up status

interface.h

Index: interface.h
diff --git a/interface.h b/interface.h
index 65044161aa9249a0e001eab7fd74550db5f3f37c..895966795a16c31ca6e269bc38855c2ca36ec88f 100644
--- a/interface.h
+++ b/interface.h
@@ -126,6 +126,14 @@ gboolean cryptohome_tpm_can_attempt_ownership(Cryptohome *self,
                                               GError **error);
 gboolean cryptohome_tpm_clear_stored_password(Cryptohome *self,
                                               GError **error);
+gboolean cryptohome_pkcs11_get_tpm_token_info(Cryptohome *self,
+                                              gchar **OUT_label,
+                                              gchar **OUT_so_pin,
+                                              gchar **OUT_user_pin,
+                                              GError **error);
+gboolean cryptohome_pkcs11_is_ready(Cryptohome *self,
+                                    gboolean *OUT_ready,
+                                    GError **error);
 gboolean cryptohome_get_status_string(Cryptohome *self,
                                       gchar **OUT_status,
                                       GError **error);