esp_phy: move used time tracking to debug module

components/esp_phy/include/esp_private/phy_debug.h

@@ -0,0 +1,22 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include "esp_phy_init.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if CONFIG_ESP_PHY_RECORD_USED_TIME
+void phy_record_time(bool enabled, esp_phy_modem_t modem);
+#endif
+
+#ifdef __cplusplus
+}
+#endif