qcacmn: Change return type to QDF_STATUS

Changing return type of ce_send_single and hif_send_single functions
to return QDF_STATUS instead of int so caller can handle as needed.

Change-Id: Ifa0db300982e22c2784662492727923e4614c2b7
CRs-Fixed: 2468534
diff --git a/hif/src/ce/ce_api.h b/hif/src/ce/ce_api.h
index 58f0ddc..5ff48e0 100644
--- a/hif/src/ce/ce_api.h
+++ b/hif/src/ce/ce_api.h
@@ -170,10 +170,10 @@
 		uint32_t len,
 		uint32_t sendhead);
 
-extern int ce_send_single(struct CE_handle *ce_tx_hdl,
-		qdf_nbuf_t msdu,
-		uint32_t transfer_id,
-		uint32_t len);
+QDF_STATUS ce_send_single(struct CE_handle *ce_tx_hdl,
+			  qdf_nbuf_t msdu,
+			  uint32_t transfer_id,
+			  uint32_t len);
 /*
  * Register a Send Callback function.
  * This function is called as soon as the contents of a Send