common: Fix the description of wpa_ctrl_request() function

The blocking timeout of this function was changed from 2 seconds to 10
seconds in this commit 1480633f ("Use longer timeout in
wpa_ctrl_request()"), but the description was never changed accordingly.

Signed-off-by: Simon Dinkin <simon.dinkin@tandemg.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>

src/common/wpa_ctrl.h

@@ -446,7 +446,7 @@ void wpa_ctrl_close(struct wpa_ctrl *ctrl);
  *
  * This function is used to send commands to wpa_supplicant/hostapd. Received
  * response will be written to reply and reply_len is set to the actual length
- * of the reply. This function will block for up to two seconds while waiting
+ * of the reply. This function will block for up to 10 seconds while waiting
  * for the reply. If unsolicited messages are received, the blocking time may
  * be longer.
  *