9043089a402d8b33b036b408b0bbc7976e623c42

Add prefetch_timer configuration for CE rings. Set prefetch_timer=1 configuration for qca6490 destination CEs, prefetch_timer=0 configuration for other targets CEs. Basically setting to 1us asking CE hw to update ring tail pointer to update within 1us. FW side CE SW sets all rings to 1us already. Idea behind this change is, we have seen pre-silicon issue where SRC ring TP read by SW was not seen updated value when prefetch was set to 8us. Changing prefetch timer value to 1us helps to resolve pre-silicon issue. So host side rings need to update the prefetch timer to 1us. Change-Id: I0830c73517c29cf39e6b2974bf3faa44e5673741 CRs-Fixed: 2669762
This is CNSS WLAN Host Driver for products starting from iHelium
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