qcacmn: Update htc_endpoint only for htt tx endpoint

Update htc_endpoint only for htt tx endpoint to avoid
double freeing of Tx Queue packets as it will be
freed in htt_htc_misc_pkt_pool_free.
Rename htc_endpoint to htc_htt_tx_endpoint to reflect
it's appropriate use.

Change-Id: I736ba08505acc829eb15be30538553dd945695f6
CRs-Fixed: 1006498

hif/inc/hif.h

@@ -430,7 +430,7 @@ void hif_get_hw_info(struct hif_opaque_softc *scn, u32 *version, u32 *revision,
 void hif_disable_isr(struct hif_opaque_softc *scn);
 void hif_reset_soc(struct hif_opaque_softc *scn);
 void hif_save_htc_htt_config_endpoint(struct hif_opaque_softc *hif_ctx,
-				      int htc_endpoint);
+				      int htc_htt_tx_endpoint);
 struct hif_opaque_softc *hif_open(qdf_device_t qdf_ctx, uint32_t mode,
 				  enum qdf_bus_type bus_type,
 				  struct hif_driver_state_callbacks *cbk);