ath10k: Refactor HTT RX datapath for WCN3990

WCN3990 is a 37 bit target and needs DMA_MAP of 37 bits.
The HTT RX datapath currently uses 32-bit address.
Refactor the HTT RX datapath to enable DMA MAP of 37 bits for WCN3990.
Fix ath10k_htt_rx_h_ppdu API usage.

CRs-Fixed: 2000491
Change-Id: I3d1505202a899796b0bfa7975844e3700326bfdf
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>