vcopyq_laneq_u32 should be implemented for aarch32 which doesn't have
the intrinsic.
This fixes build of examples/l3fwd for armv7.
Fixes: 3c4b4024c225 ("arch/arm: add vcopyq_laneq_u32 for old gcc")
Cc: stable@dpdk.org
Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>