mwifiex: add del_station handler

This patch adds cfg80211 del_station handler for mwifiex.
If bss is not started or there are no stations in associated
stations list, no action is taken. If argument received is
null/broadcast mac, all stations in associated station list are
deauthenticated.

Patch also deletes related RxReorder stream and TxBA stream tables
for related station.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 74db0d2..4a32f27 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -570,6 +570,7 @@
 		case HostCmd_CMD_UAP_SYS_CONFIG:
 		case HostCmd_CMD_UAP_BSS_START:
 		case HostCmd_CMD_UAP_BSS_STOP:
+		case HostCmd_CMD_UAP_STA_DEAUTH:
 			ret = mwifiex_uap_prepare_cmd(priv, cmd_no, cmd_action,
 						      cmd_oid, data_buf,
 						      cmd_ptr);