nuttx: replace all ARRAY_SIZE()/ARRAYSIZE() to nitems()

Signed-off-by: chao an <anchao@xiaomi.com>

include/nuttx/net/usrsock.h

@@ -30,6 +30,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <sys/uio.h>
+#include <sys/param.h>
 
 #include <nuttx/net/netconfig.h>
 #include <nuttx/compiler.h>
@@ -38,10 +39,6 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#ifndef ARRAY_SIZE
-#  define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#endif
-
 /* Event message flags */
 
 #define USRSOCK_EVENT_ABORT          (1 << 1)

include/nuttx/wireless/bluetooth/bt_gatt.h

@@ -328,7 +328,7 @@
   .user_data = (&(struct _bt_gatt_ccc_s) \
                { \
                  .cfg          = _cfg, \
-                 .cfg_len      = ARRAY_SIZE(_cfg), \
+                 .cfg_len      = nitems(_cfg), \
                  .value_handle = _value_handle, \
                  .cfg_changed  = _cfg_changed, \
                }),\