[PATCH] ath10k: Do not call dma_alloc_coherent() for SDIO and USB

[Peter Oh]

>> Fix the problem by not calling dma_alloc_coherent() when the device
>> is not DMA capable, such as SDIO and USB.
>>
ath10k calls dma_alloc_coherent multiple places including 
ath10k_htt_rx_alloc.

Do SDIO and USB not use such data path function at all?

Thanks,

Peter