Fix the clang issue due to empty structure in the Tracing Layer

A dummy void pointer is added whenever the structure to be generated is
empty.

Related-To: NEO-17790

Signed-off-by: Pratik Bari <pratik.bari@intel.com>

Author: pratikbariintel

include/layers/zel_tracing_register_cb.h

@@ -2728,6 +2728,7 @@ typedef void (ZE_APICALL *zer_pfnTranslateIdentifierToDeviceHandleCb_t)(
 
 typedef struct _zer_get_default_context_params_t
 {
+    void* dummy;  // Placeholder for empty parameter list
 } zer_get_default_context_params_t;
 
 

scripts/templates/tracing/trc_setters.h.mako

@@ -44,16 +44,21 @@ typedef struct _zel_tracer_handle_t *zel_tracer_handle_t;
 %for obj in tbl['functions']:
 <%
     ret_type = obj['return_type']
+    param_lines = th.make_param_lines(n, tags, obj, format=["type*", "name"])
 %>///////////////////////////////////////////////////////////////////////////////
 /// @brief Callback function parameters for ${th.make_func_name(n, tags, obj)}
 /// @details Each entry is a pointer to the parameter passed to the function;
 ///     allowing the callback the ability to modify the parameter's value
 
 typedef struct _${th.make_pfncb_param_type(n, tags, obj)}
 {
-    %for line in th.make_param_lines(n, tags, obj, format=["type*", "name"]):
+    %if param_lines:
+    %for line in param_lines:
     ${line};
     %endfor
+    %else:
+    void* dummy;  // Placeholder for empty parameter list
+    %endif
 } ${th.make_pfncb_param_type(n, tags, obj)};