qcacld-2.0: wlan host driver upgrade to 4.4.23.021

wlan host driver upgrade to 4.4.23.021.

Change-Id: Ice7cfce02813dc09300fac8228ae030340f27736
Signed-off-by: Srinivas Girigowda <sgirigow@codeaurora.org>

drivers/staging/qcacld-2.0/CORE/MAC/inc/qwlan_version.h

@@ -42,9 +42,9 @@ BRIEF DESCRIPTION:
 #define QWLAN_VERSION_MINOR            4
 #define QWLAN_VERSION_PATCH            23
 #define QWLAN_VERSION_EXTRA            ""
-#define QWLAN_VERSION_BUILD            20
+#define QWLAN_VERSION_BUILD            21
 
-#define QWLAN_VERSIONSTR               "4.4.23.020"
+#define QWLAN_VERSIONSTR               "4.4.23.021"
 
 
 #define AR6320_REV1_VERSION             0x5000000