Fix check-generated-files.sh generate_psa_constants.py path

This commit fixes the path to generate_psa_constants.py in
check-generatedfiles.sh

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/tests/scripts/check-generated-files.sh b/tests/scripts/check-generated-files.sh
index 6e03ce4..fa296ba 100755
--- a/tests/scripts/check-generated-files.sh
+++ b/tests/scripts/check-generated-files.sh
@@ -146,7 +146,7 @@
 # directory in Mbed TLS that is not just a TF-PSA-Crypto submodule.
 if [ -d tf-psa-crypto ]; then
     cd tf-psa-crypto
-    check ./scripts/generate_psa_constants.py ./programs/psa/psa_constant_names_generated.c
+    check scripts/generate_psa_constants.py ./programs/psa/psa_constant_names_generated.c
     check ../framework/scripts/generate_bignum_tests.py $(../framework/scripts/generate_bignum_tests.py --list)
     check ../framework/scripts/generate_config_tests.py tests/suites/test_suite_config.psa_boolean.data
     check ../framework/scripts/generate_ecp_tests.py $(../framework/scripts/generate_ecp_tests.py --list)
@@ -164,7 +164,6 @@
     check framework/scripts/generate_psa_tests.py $(framework/scripts/generate_psa_tests.py --list)
 fi
 
-check scripts/generate_psa_constants.py tf-psa-crypto/programs/psa/psa_constant_names_generated.c
 check framework/scripts/generate_test_keys.py framework/tests/src/test_keys.h
 check scripts/generate_driver_wrappers.py ${crypto_core_dir}/psa_crypto_driver_wrappers.h \
                                           ${crypto_core_dir}/psa_crypto_driver_wrappers_no_static.c