qcacld-3.0: Get txrx_pdev context from global cds_context

__hdd_tx_timeout passes cdp_soc context dump_flow_pool_info callback
function. Lithium_dp interchangeably use cdp_soc and dp_soc as cdp_soc is
first element of dp_soc.
Same is not valid for iHelium datapath, do not expect caller to pass
the txrx_pdev context, instead get it from global cds_context.

Change-Id: I64932fefd1294275608258df49544135d3a0562c
CRs-Fixed: 2240099

core/dp/txrx/ol_txrx_flow_control.c

@@ -284,12 +284,14 @@ static const char *ol_tx_flow_pool_status_to_str
 
 /**
  * ol_tx_dump_flow_pool_info() - dump global_pool and flow_pool info
+ * @ctx: cdp_soc context, required only in lithium_dp flow control.
+ *	 Remove void * while cleaning up cds_get_context.
  *
  * Return: none
  */
 void ol_tx_dump_flow_pool_info(void *ctx)
 {
-	struct ol_txrx_pdev_t *pdev = ctx;
+	struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX);
 	struct ol_tx_flow_pool_t *pool = NULL, *pool_prev = NULL;
 	struct ol_tx_flow_pool_t tmp_pool;