net/hinic: optimize Rx performance for x86

For x86 platform, the rq cqe without cache aligned, which can
improve performance for some gateway scenarios.

Fixes: 361a9ccf81d6 ("net/hinic: optimize Rx performance")
Cc: stable@dpdk.org

Signed-off-by: Xiaoyun Wang <cloud.wangxiaoyun@huawei.com>

drivers/net/hinic/hinic_pmd_rx.h

@@ -35,7 +35,11 @@ struct hinic_rq_cqe {
 	u32 rss_hash;
 
 	u32 rsvd[4];
+#if defined(RTE_ARCH_ARM64)
 } __rte_cache_aligned;
+#else
+};
+#endif
 
 struct hinic_rq_cqe_sect {
 	struct hinic_sge	sge;