RDMA/irdma: Drop a local in irdma_sc_get_next_aeqe

Drop the local wqe_idx in irdma_sc_get_next_aeqe and instead
store the wqe_idx in the info structure for all asynchronous events(AE)
received. There is no reason it should be tied to a specific AE source.

Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230725155505.1069-2-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>