net: hns3: default select PAGE_POOL_STATS

driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8J9ZZ


CVE: NA

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Default select PAGE_POOL_STATS, so the hns3 driver
can supports page pool statistics.

Fixes: 59de65f6 ("net: hns3: add support for page_pool_get_stats")

Signed-off-by: Jian Shen <shenjian15@huawei.com>