Use longer timeout in wpa_ctrl_request()

Wait longer for control interface response from wpa_supplicant to
avoid issues with some drivers that have long blocking operations.

src/common/wpa_ctrl.c

@@ -237,7 +237,7 @@ int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len,
 	os_free(cmd_buf);
 
 	for (;;) {
-		tv.tv_sec = 2;
+		tv.tv_sec = 10;
 		tv.tv_usec = 0;
 		FD_ZERO(&rfds);
 		FD_SET(ctrl->s, &rfds);