qcacmn: Add NAN TX checksum offload INI entry

Currently there is a single INI item tcp_udp_checksumoffload to enable
or disable this feature for all the adapters. In some cases, we want to
be able to enable this feature selectively for NAN mode.

Add nan_tcp_udp_checksumoffload ini item to enable or disable checksum
offload feature specifically for NAN mode. If
nan_tcp_udp_checksumoffload is 'true' and tcp_udp_checksumoffload is
false, hardware checksum offload will be enabled only for the NAN
adapter and not for other adapters.

CRs-Fixed: 2693638
Change-Id: I6e255ce68ddc7b01ebdefe4e5e8d2c985388fefe

dp/inc/cdp_txrx_mob_def.h

@@ -285,6 +285,8 @@ struct txrx_pdev_cfg_param_t {
 	uint32_t uc_tx_partition_base;
 	/* IP, TCP and UDP checksum offload */
 	bool ip_tcp_udp_checksum_offload;
+	/* IP, TCP and UDP checksum offload for NAN Mode*/
+	bool nan_ip_tcp_udp_checksum_offload;
 	/* Rx processing in thread from TXRX */
 	bool enable_rxthread;
 	/* CE classification enabled through INI */