qcacld-3.0: Cleanup get IE pointer from out, eid or ext_id APIs

Cleanup duplicate APIs for get ie pointer from EID or OUI or EXT_ID
and use wlan_utils exposed by qcacmn.

Change-Id: Iacbf041c9c49b2aedeffecba3427e9334cb70dcc
CRs-Fixed: 2105377
diff --git a/core/sap/src/sap_ch_select.c b/core/sap/src/sap_ch_select.c
index e9ca551..3cd74b7 100644
--- a/core/sap/src/sap_ch_select.c
+++ b/core/sap/src/sap_ch_select.c
@@ -350,7 +350,7 @@
 	while (node) {
 		total_ie_len =
 			GET_IE_LEN_IN_BSS_DESC(node->BssDescriptor.length);
-		temp_ptr = cfg_get_vendor_ie_ptr_from_oui(mac_ctx,
+		temp_ptr = wlan_get_vendor_ie_ptr_from_oui(
 				SIR_MAC_QCOM_VENDOR_OUI,
 				SIR_MAC_QCOM_VENDOR_SIZE,
 				((uint8_t *)&node->BssDescriptor.ieFields),