Add missing DD mapping for RGB_MATRIX_DRIVER (#18160)

data/mappings/info_rules.json

@@ -19,6 +19,7 @@
     "MOUSE_SHARED_EP": {"info_key": "usb.shared_endpoint.mouse", "value_type": "bool"},
     "LAYOUTS": {"info_key": "community_layouts", "value_type": "list"},
     "LED_MATRIX_DRIVER": {"info_key": "led_matrix.driver"},
+    "RGB_MATRIX_DRIVER": {"info_key": "rgb_matrix.driver"},
     "LTO_ENABLE": {"info_key": "build.lto", "value_type": "bool"},
     "MCU": {"info_key": "processor", "warn_duplicate": false},
     "MOUSEKEY_ENABLE": {"info_key": "mouse_key.enabled", "value_type": "bool"},