qcacmn: Added iwpriv control for secoffset and wide band subelement IE

Summary: below iwpriv comamnds are added for wifiN interface:
iwpriv wifi0 sec_offsetie 0/1 --> 0: Disable, 1: Enable secondary offset IE
iwpriv wifi0 g_sec_offsetie  --> Get secondary offset IE configuration
iwpriv wifi0 wb_subelem 0/1 --> 0: Disable, 1: Enable wide band sub element
iwpriv wifi0 g_wb_subelem  --> Get wide band sub element configuration

Change-Id: Id4695ab1eb7ba1bccb800936d2f6d7bd0e8ad946
CRs-fixed: 1074098

dp/inc/cdp_txrx_stats_struct.h

@@ -463,6 +463,8 @@ typedef enum _ol_ath_param_t {
 	OL_ATH_PARAM_CHANNEL_SWITCH_COUNT = 338,
 	OL_ATH_PARAM_ALWAYS_PRIMARY = 339,
 	OL_ATH_PARAM_FAST_LANE = 340,
+	OL_ATH_PARAM_SECONDARY_OFFSET_IE = 342,
+	OL_ATH_PARAM_WIDE_BAND_SUB_ELEMENT = 343,
 } ol_ath_param_t;
 
 /*