wpa_supplicant_lib: Fix the buffer length for SET_AP_P2P_WPS_IE ioctl

With the buffer length of 3, the iftype argument was not included to the ioctl command. Changing this to 5 fixed wifi direct on Galaxy A21s

Change-Id: Iaded6223680a083175cee62ea5cb5fa343d048dd
diff --git a/driver_cmd_nl80211.c b/driver_cmd_nl80211.c
index 849296e..8c577a5 100644
--- a/driver_cmd_nl80211.c
+++ b/driver_cmd_nl80211.c
@@ -178,7 +178,7 @@
 	for (i = 0; cmd_arr[i].cmd != -1; i++) {
 		ap_wps_p2p_ie = cmd_arr[i].src;
 		if (ap_wps_p2p_ie) {
-			buf_len = strlen(_cmd) + 3 + wpabuf_len(ap_wps_p2p_ie);
+			buf_len = strlen(_cmd) + 5 + wpabuf_len(ap_wps_p2p_ie);
 			buf = os_zalloc(buf_len);
 			if (NULL == buf) {
 				wpa_printf(MSG_ERROR, "%s: Out of memory",