config: align mempool elements to 128 bytes on CN10K

Mempool elements are by default aligned to CACHELINE_SIZE.
In CN10K cacheline size is 64B but the RoC requires buffers to be
aligned to 128B.
Set RTE_MEMPOOL_ALIGN to 128 to force mempool buffers to be aligned
128 bytes.

Fixes: 1b4c86a721 ("config/arm: add Marvell CN10K")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>

config/arm/meson.build

@@ -277,7 +277,8 @@ soc_cn10k = {
     'implementer' : '0x41',
     'flags': [
         ['RTE_MAX_LCORE', 24],
-        ['RTE_MAX_NUMA_NODES', 1]
+        ['RTE_MAX_NUMA_NODES', 1],
+        ['RTE_MEMPOOL_ALIGN', 128]
     ],
     'part_number': '0xd49',
     'extra_march_features': ['crypto'],