qcacld-3.0: Rename hdd_context enableRxThread field

Per the Linux coding style "mixed-case names are frowned upon" so
rename field enableRxThread in struct hdd_context.

Change-Id: Ie9f100879a730d341f89a035d8386685d71a3a44
CRs-Fixed: 2135911
diff --git a/core/hdd/src/wlan_hdd_softap_tx_rx.c b/core/hdd/src/wlan_hdd_softap_tx_rx.c
index a70a0ad..58569d8 100644
--- a/core/hdd/src/wlan_hdd_softap_tx_rx.c
+++ b/core/hdd/src/wlan_hdd_softap_tx_rx.c
@@ -803,7 +803,7 @@
 		 */
 		qdf_net_buf_debug_release_skb(skb);
 		if (hdd_napi_enabled(HDD_NAPI_ANY) &&
-			!hdd_ctx->enableRxThread)
+			!hdd_ctx->enable_rxthread)
 			rxstat = netif_receive_skb(skb);
 		else
 			rxstat = netif_rx_ni(skb);