fix(picolibc): fix missed headers in sources

components/newlib/platform_include/sys/lock.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -12,7 +12,7 @@
 extern "C" {
 #endif
 
-#ifdef _RETARGETABLE_LOCKING
+#if defined(_RETARGETABLE_LOCKING) || defined(CONFIG_LIBC_PICOLIBC)
 
 /* Actual platfrom-specific definition of struct __lock.
  * The size here should be sufficient for a FreeRTOS mutex.
@@ -52,10 +52,6 @@ int _lock_try_acquire_recursive(_lock_t *plock);
 void _lock_release(_lock_t *plock);
 void _lock_release_recursive(_lock_t *plock);
 
-#if CONFIG_LIBC_PICOLIBC
-#define __lock_try_acquire(lock) _lock_try_acquire(&(lock))
-#define __lock_try_acquire_recursive(lock) _lock_try_acquire_recursive(&(lock))
-#endif // CONFIG_LIBC_PICOLIBC
 #endif // _RETARGETABLE_LOCKING
 
 #ifdef __cplusplus

components/newlib/platform_include/sys/select.h

@@ -26,6 +26,10 @@ int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct
 
 #endif // fd_set
 
+#if __BSD_VISIBLE && !defined(fds_bits)
+#define fds_bits    __fds_bits
+#endif
+
 #if defined(FD_ISSET) || defined(FD_SET) || defined(FD_CLR)
 #undef FD_SET
 #undef FD_CLR