(kernel-rolling) arch: Add basic platform support for Phytium FTC

[MingcongBai]

Picked and rebased from #122.

From original pull request:

Add some basic information and description of Phytium FTC series cpus.

Builds tested

• amd64
• arm64
• loong64

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[deepin-ci-robot]

Hi @MingcongBai. Thanks for your PR.

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[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在arch/arm64/include/asm/cputype.h和arch/arm64/kernel/cpufeature.c中新增的宏定义可能需要检查是否与现有宏定义冲突，避免重复定义。
• 在arch/arm64/kernel/proton-pack.c中新增的MIDR_ALL_VERSIONS(MIDR_PHYTIUM_FTC310)宏定义可能需要检查与现有宏定义的兼容性，确保它们可以正确地指示特定处理器的特征。

是否建议立即修改:

• 是，建议立即检查新增宏定义的冲突和兼容性，以确保代码的清晰性和正确性。