qcacld-3.0: Call csr_set_ldpc_exception with channel frequency

csr_set_ldpc_exception is already used channel frequency as input
parameter.

Call csr_set_ldpc_exception with channel frequency.

Change-Id: I0a30b558e570ed0e14f925d23241bdaf1b6f8a44
CRs-Fixed: 2568321

core/sme/src/csr/csr_api_roam.c

@@ -17038,8 +17038,7 @@ QDF_STATUS csr_send_mb_start_bss_req_msg(struct mac_context *mac, uint32_t
 	if (eSIR_IBSS_MODE == pMsg->bssType ||
 		!policy_mgr_is_dbs_enable(mac->psoc))
 		csr_set_ldpc_exception(mac, pSession,
-				       wlan_reg_freq_to_chan(mac->pdev,
-						pParam->operation_chan_freq),
+				       pParam->operation_chan_freq,
 				       mac->mlme_cfg->ht_caps.
 				       ht_cap_info.adv_coding_cap);