hwtracing: hisi_ptt: Factor out filter allocation and release operation

driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7BZYX


CVE: NA

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From: Yicong Yang <yangyicong@hisilicon.com>

Factor out the allocation and release of filters. This will make it easier
to extend and manage the function of the filter.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>