UPSTREAM: ath10k: Add support for 64 bit ce descriptor

WCN3990 CE descriptor uses 64bit address for
src/dst ring buffer. It has extended field for toeplitz
hash result, which is being used for HW assisted
hash results.

To accommodate WCN3990 descriptor, define new CE
descriptor for extended addressing mode and related
methods to handle the descriptor data.

Signed-off-by: Govind Singh <govinds@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Git-commit: 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git


Change-Id: Iabd86d2279309e7694f7801be9eee9b89848f438
Signed-off-by: Dundi Raviteja <dundi@codeaurora.org>