wlan: Add support to get wlan version info from cfg layer

Add support to send wlan driver related information
to user space for debugging.

Change-Id: Id8d1583eac9e8259b5a5cd86e755c1064f879382
CRs-Fixed: 818318
diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
index bd373c6..9f489d0 100755
--- a/CORE/HDD/src/wlan_hdd_main.c
+++ b/CORE/HDD/src/wlan_hdd_main.c
@@ -9134,6 +9134,7 @@
 
       pr_info("%s: WCNSS software version %s\n",
               WLAN_MODULE_NAME, versionString);
+      vos_mem_copy(pHddCtx->fw_Version, versionString, sizeof(versionString));
 
       vstatus = sme_GetWcnssHardwareVersion(pHddCtx->hHal,
                                             versionString,