Add comment to explain lack of driver dispatch

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja b/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
index fba8990..a8a8991 100644
--- a/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
+++ b/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
@@ -435,11 +435,19 @@
 
 void psa_driver_wrapper_interruptible_set_max_ops( uint32_t max_ops )
 {
+    /* TODO - dispatch to drivers dynamically registered for this
+     * service when registering is implemented. For now, fall
+     * through to internal implementation. */
+
     mbedtls_psa_interruptible_set_max_ops( max_ops );
 }
 
 uint32_t psa_driver_wrapper_interruptible_get_max_ops( void )
 {
+    /* TODO - dispatch to drivers dynamically registered for this
+     * service when registering is implemented. For now, fall
+     * through to internal implementation. */
+
     return mbedtls_psa_interruptible_get_max_ops( );
 }