Update dependencies

Added `MBEDTLS_CIPHER_MODE_XTS` as a dependency for `PSA_WANT_ALG_XTS`.
Otherwise, `MBEDTLS_CIPHER_MODE_XTS` is always enabled which enables a
lot of code we would like to be disabled when testing CFB/CTR... only.

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/tests/scripts/depends.py b/tests/scripts/depends.py
index 6fdb83b..2e0849b 100755
--- a/tests/scripts/depends.py
+++ b/tests/scripts/depends.py
@@ -265,6 +265,7 @@
     'PSA_WANT_ALG_CFB': ['MBEDTLS_CIPHER_MODE_CFB'],
     'PSA_WANT_ALG_CTR': ['MBEDTLS_CIPHER_MODE_CTR'],
     'PSA_WANT_ALG_OFB': ['MBEDTLS_CIPHER_MODE_OFB'],
+    'PSA_WANT_ALG_XTS': ['MBEDTLS_CIPHER_MODE_XTS'],
 
     'MBEDTLS_CIPHER_PADDING_PKCS7': ['MBEDTLS_PKCS5_C',
                                      'MBEDTLS_PKCS12_C',