mm: Move HOLES_IN_ZONE into mm

hulk inclusion
category: bugfix
bugzilla: 51781
CVE: NA

Reference: https://lore.kernel.org/linux-mm/20210417075946.181402-1-wangkefeng.wang@huawei.com/


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Move HOLES_IN_ZONE into mm/Kconfig, select it if architecture needs
this feature.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>