Update to new version 0.8.16 from BRCM

Sync with main tree commit b8349523e460493fa0b4de36c689595109e45e91
Author: Neeraj Kumar Garg <neerajkg@broadcom.com>
Date:   Tue Dec 27 23:21:45 2011 +0200
    P2P: Reject p2p_group_add if forced frequency is not acceptable

Change-Id: Icb4541a371b05c270e80440d7a7fdea7f33ff61e
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/README-WPS b/wpa_supplicant/README-WPS
index 313e873..bf75cb4 100644
--- a/wpa_supplicant/README-WPS
+++ b/wpa_supplicant/README-WPS
@@ -127,6 +127,11 @@
 generated PIN.
 
 
+If a random PIN is needed for a user interface, "wpa_cli wps_pin get"
+can be used to generate a new PIN without starting WPS negotiation.
+This random PIN can then be passed as an argument to another wps_pin
+call when the actual operation should be started.
+
 If the client design wants to support optional WPS PBC mode, this can
 be enabled by either a physical button in the client device or a
 virtual button in the user interface. The PBC operation requires that