RDMA/efa: Expose 64-bit send WR ID support to userspace

Currently EFA WRs support 16-bit request ID, this requires EFA to manage
a translation table to translate the IB WR ID from 64-bits to 16-bits
and translating it back on CQ completion.
Expose a new device capability to handle 64-bit request ID for SQ WRs
allowing userspace to directly post the 64-bit ID to the device.

Reviewed-by: Michael Margolin <mrgolin@amazon.com>
Reviewed-by: Tom Sela <tomsela@amazon.com>
Signed-off-by: Yonatan Nachum <ynachum@amazon.com>
Link: https://patch.msgid.link/20260722113331.2515247-3-ynachum@amazon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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