qcacmn: Register separate function pointer to receive EAPOL frames

Add changes to register separate function pointer to receive EAPOL
frames instead of using regular RX path and adding export symbol
for __qdf_nbuf_data_get_eapol_subtype() to access in it multiple
modules

Change-Id: Id05b982d31a7e008536d10dd5281e88cceba96db

dp/inc/cdp_txrx_stats_struct.h

@@ -2134,10 +2134,15 @@ struct cdp_peer_hmwds_ast_add_status {
 	uint8_t  ast_mac[QDF_MAC_ADDR_SIZE];
 };
 
+/*
+ * Enumeration of cdp soc parameters
+ * @DP_SOC_PARAM_EAPOL_OVER_CONTROL_PORT: For sending EAPOL's over control port
+ */
 enum cdp_soc_param_t {
 	DP_SOC_PARAM_MSDU_EXCEPTION_DESC,
 	DP_SOC_PARAM_CMEM_FSE_SUPPORT,
 	DP_SOC_PARAM_MAX_AST_AGEOUT,
+	DP_SOC_PARAM_EAPOL_OVER_CONTROL_PORT,
 	DP_SOC_PARAM_MAX,
 };