sched:Open the kernel configuration for cluster.

kunpeng inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5W44S


CVE: NA

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In the past configuration, CONFIG_SCHED_CLUSTER was not set. Now, we need
to open the configuration.

Signed-off-by: Jie Liu <liujie375@h-partners.com>