net/ena/base: align IO CQ allocation to 4K

net/ena/base: align IO CQ allocation to 4K

Latest generation HW requires IO completion queue descriptors to be
aligned to a 4K in order to achieve the best performance.

Because of that, the new allocation macros were added, which allows
driver to allocate the memory with specified alignment.

The previous allocation macros are now wrappers around the macros
doing the alignment, with the alignment value equal to cacheline size.

Fixes: b68309be44c0 ("net/ena/base: update communication layer for the ENAv2")
Cc: stable@dpdk.org
Signed-off-by: Ido Segev <idose@amazon.com>
Signed-off-by: Michal Krawczyk <mk@semihalf.com>
Reviewed-by: Igor Chauskin <igorch@amazon.com>
Reviewed-by: Amit Bernstein <amitbern@amazon.com>