hulk inclusion
category: performance
bugzilla: 11028
CVE: NA

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Make CONFIG_HAVE_MEMBLOCK_PFN_VALID a new config option so it can move
memblock_next_valid_pfn to generic code file. All the latter optimizations
are based on this config.

The memblock initialization time on arm/arm64 can benefit from this.
Signed-off-by: NJia He <jia.he@hxt-semitech.com>
Reviewed-by: NPavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Nzhong jiang <zhongjiang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>