feat(esp_libc): add full support for picolibc

components/newlib/platform_include/sys/time.h

@@ -1,9 +1,13 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 #pragma once
+
+#include "sdkconfig.h"
+
+#if CONFIG_LIBC_NEWLIB
 /* Newlib sys/time.h defines timerisset, timerclear, timercmp, timeradd, timersub macros
    for __CYGWIN__ and __rtems__. We want to define these macros in IDF as well.
    Since we wish to use un-modified newlib headers until a patched newlib version is
@@ -20,3 +24,10 @@
 #define __rtems__
 #include_next <sys/time.h>
 #undef __rtems__
+#else // CONFIG_LIBC_NEWLIB
+#include_next <sys/time.h>
+#endif // CONFIG_LIBC_NEWLIB
+
+#if CONFIG_LIBC_PICOLIBC_NEWLIB_COMPATIBILITY
+#include <sys/types.h>
+#endif