Closes if statement

Forgot the final line and never closed the brackets or if statement.

Change-Id: I6d67034704fdd91b83c7a177bdca4d0febbf02f8
Signed-off-by: Matthew Dalzell <matthew.dalzell@arm.com>
diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index 539f062..17c7eb6 100755
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -148,6 +148,7 @@
                                            "pyocd flash %(ci_build_root_dir)s/nspe/bin/tfm_s_ns_signed.bin --base-address 0x8000 -t lpc55s69 --no-wait; "
                                            "else "
                                            "pyocd flash %(ci_build_root_dir)s/spe/bin/tfm_s.hex %(ci_build_root_dir)s/nspe/bin/tfm_ns.hex -t lpc55s69 --no-wait; "
+                                           "fi;"),
                    "cypress/psoc64": ("echo 'Sign binaries for Cypress PSoC64 platform';"
                                        "pushd %(codebase_root_dir)s/;"
                                        "sudo /usr/local/bin/cysecuretools "