net/hns3: check max SIMD bitwidth
net/hns3: check max SIMD bitwidth

This patch supports check max SIMD bitwidth when choosing NEON and SVE
vector path.

Signed-off-by: Chengwen Feng <af69652d70a703aa3bb4268f61750255b6f8fb91@huawei.com>
Signed-off-by: Min Hu (Connor) <f02e10cb0a484c51b0f8634f83fbb4ab9ded1c6a@huawei.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk