qcacld-3.0: Add acs config parameter acs_policy

A new external acs configuration parameter acs_policy.
This parameter indicates the external ACS module whether
its mandatory or preferrable to select a channel
from the preferred channel list provided by the
driver

Change-Id: I80925109349c68c95f25ba27d87bd68964c4eb04
CRs-Fixed: 2037034

core/sap/inc/sap_api.h

@@ -618,6 +618,7 @@ typedef struct sap_Config {
 	tSirMacRateSet extended_rates;
 	enum sap_acs_dfs_mode acs_dfs_mode;
 	struct hdd_channel_info *channel_info;
+	uint32_t channel_info_count;
 	bool dfs_cac_offload;
 } tsap_Config_t;