mwifiex: use bss_type and bss_num to retrieve priv

Current implementation, for retrieving priv from adapter,
uses bss_index. In multi interface environment supporting
different types, bss_index may not be unique.

Use bss_type along with bss_num to retrieve the priv.
bss_index is removed with this change.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@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/decl.h b/drivers/net/wireless/mwifiex/decl.h
index ae17ce0..3735c77 100644
--- a/drivers/net/wireless/mwifiex/decl.h
+++ b/drivers/net/wireless/mwifiex/decl.h
@@ -102,7 +102,8 @@
 };
 
 struct mwifiex_rxinfo {
-	u8 bss_index;
+	u8 bss_num;
+	u8 bss_type;
 	struct sk_buff *parent;
 	u8 use_count;
 };
@@ -110,7 +111,8 @@
 struct mwifiex_txinfo {
 	u32 status_code;
 	u8 flags;
-	u8 bss_index;
+	u8 bss_num;
+	u8 bss_type;
 };
 
 enum mwifiex_wmm_ac_e {