qcacmn: buffer replenish and reap without map and unmap

use dma_inv_range call instead of dma map and unmap
APIs during replenish and reap. This complete code is
under a compile time macro.
before change: 4160Mbps @ 96.5% (core 3)
after change: 4160Mbps @ 90.5% (core 3)

Change-Id: I61bca349a369ace06cd86f353880108cee013cb1

dp/inc/cdp_txrx_stats_struct.h

@@ -2605,6 +2605,7 @@ struct cdp_pdev_stats {
 	/* Rx errors */
 	struct {
 		uint32_t desc_alloc_fail;
+		uint32_t desc_lt_alloc_fail;
 		uint32_t ip_csum_err;
 		uint32_t tcp_udp_csum_err;
 		uint32_t rxdma_error;