qcacld-3.0: Update channel width after sanity check

After sanity check in lim_set_ch_phy_mode the channel width is
updated but is not copied to des_chan.

So copy the new channel width to des_chan.

Change-Id: Iffdcabaa3bfe25083e9c4368621f8df71c152806
CRs-Fixed: 2536201

core/mac/src/pe/lim/lim_utils.c

@@ -8437,8 +8437,6 @@ QDF_STATUS lim_set_ch_phy_mode(struct wlan_objmgr_vdev *vdev, uint8_t dot11mode)
 		return QDF_STATUS_E_FAILURE;
 	}
 	des_chan = vdev->vdev_mlme.des_chan;
-	des_chan->ch_ieee = wlan_reg_freq_to_chan(mac_ctx->pdev,
-						  des_chan->ch_freq);
 	/*
 	 * Set ch_cfreq1 to ch_freq for 20Mhz. If BW is greater than 20 it
 	 * will be updated from ch_freq_seg1.
@@ -8482,6 +8480,8 @@ QDF_STATUS lim_set_ch_phy_mode(struct wlan_objmgr_vdev *vdev, uint8_t dot11mode)
 		des_chan->ch_freq_seg2 = 0;
 	}
 
+	des_chan->ch_width = ch_width;
+
 	des_chan->ch_flags = 0;
 	switch (ch_width) {
 	case CH_WIDTH_20MHZ: