dpdk cannot build with -Werror=address-of-packed-member

[lu-zero]

Probably would be good to double check that code instead of just dropping the error.

/usr/src/lx2160a_build/build/dpdk/lib/librte_eal/common/malloc_heap.c: In function ‘rte_eal_malloc_heap_init’:
/usr/src/lx2160a_build/build/dpdk/lib/librte_eal/common/malloc_heap.c:1268:31: error: taking address of packed member of ‘struct rte_mem_config’ may result in an unaligned pointer value [-Werror=address-of-packed-member]
 1268 |    struct malloc_heap *heap = &mcfg->malloc_heaps[i];
      |                               ^~~~~~~~~~~~~~~~~~~~~~
/usr/src/lx2160a_build/build/dpdk/lib/librte_eal/common/malloc_heap.c:1282:26: error: taking address of packed member of ‘struct rte_mem_config’ may result in an unaligned pointer value [-Werror=address-of-packed-member]
 1282 |   rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);
      |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/src/lx2160a_build/build/dpdk/lib/librte_eal/common/malloc_heap.c:1290:25: error: taking address of packed member of ‘struct rte_mem_config’ may result in an unaligned pointer value [-Werror=address-of-packed-member]
 1290 |  rte_rwlock_read_unlock(&mcfg->memory_hotplug_lock);