qcacmn: API change to support cfreq2

Add cfreq2 along with preimary frequency to support 320MHz
bandwidth.

Change-Id: Ibc0a093a42658c128d032eeb4e14c07bb8a8c6e1
CRs-Fixed: 2962023

umac/dfs/dispatcher/inc/wlan_dfs_ucfg_api.h

@@ -179,6 +179,7 @@ struct dfs_to_mlme {
 	QDF_STATUS
 	    (*mlme_precac_chan_change_csa_for_freq)(struct wlan_objmgr_pdev *,
 						    uint16_t des_chan_freq,
+						    uint16_t des_cfreq2,
 						    enum wlan_phymode des_mode);
 #endif
 #ifdef CONFIG_CHAN_NUM_API