qcacmn: Fix Datapath kernel checkpatch warnings in cdp_txrx_stats.h

Fix Datapath kernel checkpatch warnings in cdp_txrx_stats.h

Change-Id: I1061a37c94d09243fc4896afa072d6892e57342c
CRs-Fixed: 2033691

dp/inc/cdp_txrx_stats.h

@@ -43,7 +43,7 @@ cdp_clear_stats(ol_txrx_soc_handle soc, uint16_t bitmap)
 
 static inline int
 cdp_stats(ol_txrx_soc_handle soc, uint8_t vdev_id, char *buffer,
-		unsigned buf_len)
+		unsigned int buf_len)
 {
 	if (soc->ops->mob_stats_ops->stats)
 		return soc->ops->mob_stats_ops->stats(vdev_id, buffer, buf_len);