Add gic support for Phytium S2500

phytium inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8UDQQ


CVE: NA

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Add gic support for Phytium S2500

Signed-off-by: Cui Fulong <cuifulong2112@phytium.com.cn>
Signed-off-by: Li Yuting <liyuting2071@phytium.com.cn>