Adapt to new PSA Crypto repo name

Patterns I looked for:
grep -i "psa-crypto"
grep -i "psa.*crypto.*repo"
grep -i "psa.*crypto.*root"

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/scripts/mbedtls_dev/psa_storage.py b/scripts/mbedtls_dev/psa_storage.py
index a2e4c74..737760f 100644
--- a/scripts/mbedtls_dev/psa_storage.py
+++ b/scripts/mbedtls_dev/psa_storage.py
@@ -53,7 +53,7 @@
         """Update `value_cache` for expressions registered in `unknown_values`."""
         expressions = sorted(self.unknown_values)
         includes = ['include']
-        if build_tree.looks_like_psa_crypto_root('.'):
+        if build_tree.looks_like_tf_psa_crypto_root('.'):
             includes.append('drivers/builtin/include')
         values = c_build_helper.get_c_expression_values(
             'unsigned long', '%lu',