mwifiex: channel switch handling for station

After receiving channel switch announcement from AP, scan and
association on that channel is blocked for DFS_CHAN_MOVE_TIME
(10 seconds). Hence station will be able to connect to the AP,
once it is moved to new channel.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index b6fbbf6..1b45aa5 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -245,6 +245,8 @@
 #define HT_BW_20    0
 #define HT_BW_40    1
 
+#define DFS_CHAN_MOVE_TIME      10000
+
 #define HostCmd_CMD_GET_HW_SPEC                       0x0003
 #define HostCmd_CMD_802_11_SCAN                       0x0006
 #define HostCmd_CMD_802_11_GET_LOG                    0x000b