qcacld-3.0: Fix 3 home channel issue for PCL PM_SBS_CH_2G

New PCL PCL PM_SBS_CH_2G,PM_SCC_ON_5G_LOW_5G_LOW,
PM_SCC_ON_5G_HIGH_5G_HIGH do not allow 3 home channel
scenario. Remove it from API
policy_mgr_is_3rd_conn_on_same_band_allowed.
Add PCL string print support for new type:
PM_SCC_ON_5G_LOW_5G_LOW, PM_SCC_ON_5G_HIGH_5G_HIGH.

Change-Id: Ie6dbb042f5ecb04cb999a7949ced8e7c7ab4ad5a
CRs-Fixed: 3215568

components/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h

@@ -126,6 +126,8 @@ static inline const char *pcl_type_to_string(uint32_t idx)
 	CASE_RETURN_STRING(PM_SBS_CH_SCC_CH_5G_24G);
 	CASE_RETURN_STRING(PM_SCC_CH_MCC_CH_SBS_CH_24G);
 	CASE_RETURN_STRING(PM_SBS_CH_2G);
+	CASE_RETURN_STRING(PM_SCC_ON_5G_LOW_5G_LOW);
+	CASE_RETURN_STRING(PM_SCC_ON_5G_HIGH_5G_HIGH);
 	default:
 		return "Unknown";
 	}

components/cmn_services/policy_mgr/src/wlan_policy_mgr_pcl.c

@@ -3497,9 +3497,6 @@ bool policy_mgr_is_3rd_conn_on_same_band_allowed(struct wlan_objmgr_psoc *psoc,
 	case PM_24G_MCC_CH:
 	case PM_5G_MCC_CH:
 	case PM_24G_SBS_CH_MCC_CH:
-	case PM_SBS_CH_2G:
-	case PM_SCC_ON_5G_LOW_5G_LOW:
-	case PM_SCC_ON_5G_HIGH_5G_HIGH:
 		ret = true;
 		break;
 	default: