P2P: Move p2p_add_device() prototype to correct header file

This was supposed to be an internal API to be used only within
src/p2p/*.c.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

src/p2p/p2p.h

@@ -1512,9 +1512,6 @@ void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
 
 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
 
-int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
-		   const u8 *ies, size_t ies_len);
-
 /**
  * p2p_set_intra_bss_dist - Set intra BSS distribution
  * @p2p: P2P module context from p2p_init()

src/p2p/p2p_i.h

@@ -657,6 +657,8 @@ struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
 						struct p2p_message *msg);
 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
 		      struct p2p_device *dev, struct p2p_message *msg);
+int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
+		   const u8 *ies, size_t ies_len);
 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
 					     const u8 *addr);