kernel: k_pipe: Fixed initializer order

Changed order of Z_PIPE_INITIALIZER to match with k_pipe struct

Signed-off-by: Jannik Woernle <[email protected]>

Author: jjw2202

include/zephyr/kernel.h

@@ -5436,11 +5436,11 @@ struct k_pipe {
  */
 #define Z_PIPE_INITIALIZER(obj, pipe_buffer, pipe_buffer_size)	\
 {								\
+	.waiting = 0,						\
 	.buf = RING_BUF_INIT(pipe_buffer, pipe_buffer_size),	\
 	.data = Z_WAIT_Q_INIT(&obj.data),			\
 	.space = Z_WAIT_Q_INIT(&obj.space),			\
 	.flags = PIPE_FLAG_OPEN,				\
-	.waiting = 0,						\
 	Z_POLL_EVENT_OBJ_INIT(obj)				\
 }
 /**