JSONschema and python improvements

* JSON Schema manually updated to be more semantically valid.
* Python script improved to be more verbose with exceptions
* Templating file improved by adding an additional macro.

Signed-off-by: Archana <archana.madhavan@silabs.com>
Signed-off-by: Asfandyar Orakzai <asfandyar.orakzai@silabs.com>
diff --git a/scripts/data_files/driver_templates/OS-template-opaque.jinja b/scripts/data_files/driver_templates/OS-template-opaque.jinja
index f11ac77..115e22c 100644
--- a/scripts/data_files/driver_templates/OS-template-opaque.jinja
+++ b/scripts/data_files/driver_templates/OS-template-opaque.jinja
@@ -1,13 +1,16 @@
+{# One Shot function's dispatch code for opaque drivers.
+Expected inputs:
+* drivers: the list of driver descriptions.
+* entry_point: the name of the entry point that this function dispatches to.
+* entry_point_param(driver): the parameters to pass to the entry point.
+* nest_indent: number of extra spaces to indent the code to.
+-#}
 {% for driver in drivers if driver.type == "opaque" -%}
 {% for capability in driver.capabilities if entry_point in capability.entry_points -%}
-#if ({% if capability.depend_on is defined -%}{{ capability.depend_on }} {% else -%} {{ 1 }} {% endif %})
+#if ({% if capability['mbedtls/c_depend_on'] is defined -%}{{ capability['mbedtls/c_depend_on'] }} {% else -%} {{ 1 }} {% endif %})
 {%- filter indent(width = nest_indent) %}
 case {{ driver.location }}:
-    {% if capability.name is defined and entry_point in capability.name.keys() -%}
-    return({{ capability.name[entry_point]}}({{entry_point_attributes(driver) | indent(20)}}));
-    {% else -%}
-    return({{driver.prefix}}_{{driver.type}}_{{entry_point}}({{entry_point_attributes(driver) | indent(20)}}));
-    {% endif -%}
+    return( {{ entry_point_name(capability, entry_point, driver) }}({{entry_point_param(driver) | indent(20)}}));
 {% endfilter -%}
 #endif
 {% endfor %}