Revert "coresight: etm4x: Add Support for HiSilicon T6 ETM"

driver inclusion
category: Bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I89N5L


CVE: NA

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This reverts commit bdc36d22.

Signed-off-by: Junhao He <hejunhao3@huawei.com>