psa: Ensure spaces before partition name comment

The psa_setup.c.tpl jinja template would strip whitespace from before
the partition name comment when inserting non-test partition database
entries. Fix the template to generate psa_setup.c with the partition
name comment properly indented.

Author: Patater

tools/psa/templates/psa_setup.c.tpl

@@ -186,7 +186,7 @@ void {{partition.name|lower}}_init(spm_partition_t *partition)
 {# -------------- spm_db_entry(partition) ----------------------------------- #}
 {% macro spm_db_entry(partition) -%}
 
-/* {{partition.name|upper}} */
+    /* {{partition.name|upper}} */
     {
         .partition_id = {{partition.name|upper}}_ID,
         .thread_id = 0,
@@ -214,7 +214,7 @@ void {{partition.name|lower}}_init(spm_partition_t *partition)
 /****************** SPM DB initialization *************************************/
 spm_partition_t g_partitions[] = {
 {% for partition in service_partitions %}
-{{spm_db_entry(partition)}}
+    {{spm_db_entry(partition)}}
 
 {% endfor %}
 #ifdef USE_PSA_TEST_PARTITIONS