Revert "[Huawei] Microchip Polarfire SoC Clock Driver"

hulk inclusion
category: bugfix
bugzilla: 49892
CVE: NA

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This reverts commit 318c3537ee8b3de2bf994008b2439ddc90d39687.

Commit 318c3537ee ("[Huawei] Microchip Polarfire SoC Clock Driver")
introduce microchip_clk_pfsoc_init which never be used.

This driver would be not used now. so revert it.
Reviewed-by: Mingwang Li <limingwang@huawei.com>

Signed-off-by: Chen Jun <chenjun102@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>