Fix audio.pins in keyboard.json not being converted to C defines (#26107)

* Fix audio.pins in keyboard.json not being converted to C defines

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Fix audio.pins in keyboard.json not being converted to C defines

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Fix 'list index out of range' on missing config

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: zvecr <git@zvecr.com>

lib/python/qmk/cli/generate/config_h.py

@@ -95,7 +95,7 @@ def generate_config_items(kb_info_json, config_h_lines):
 
         try:
             config_value = kb_info_json[info_key]
-        except KeyError:
+        except KeyError, IndexError:
             continue
 
         if key_type.startswith('array.array'):

lib/python/qmk/cli/generate/rules_mk.py

@@ -31,7 +31,7 @@ def process_mapping_rule(kb_info_json, rules_key, info_dict):
 
     try:
         rules_value = kb_info_json[info_key]
-    except KeyError:
+    except KeyError, IndexError:
         return None
 
     if key_type in ['array', 'list']: