BTF: fix validation warnings

[kkourt]

• uid_t
  • time="2024-05-14T05:25:35Z" level=warning msg="Kprobe spec pre-validation failed, but will continue with loading" error="type (uid_t) of argument 0 does not match spec type (int)\n" sensor=gkp-sensor-5
• gid_t
  • time="2024-05-14T05:25:35Z" level=warning msg="Kprobe spec pre-validation failed, but will continue with loading" error="type (gid_t) of argument 0 does not match spec type (int)\n" sensor=gkp-sensor-5
• kernel_read_file_id
  • time="2024-05-14T05:25:20Z" level=warning msg="Kprobe spec pre-validation failed, but will continue with loading" error="type (kernel_read_file_id) of argument 1 does not match spec type (int)\n" sensor=gkp-sensor-4
• struct module *
  • time="2024-05-14T05:25:20Z" level=warning msg="Kprobe spec pre-validation failed, but will continue with loading" error="type (struct module *) of argument 0 does not match spec type (nop)\n" sensor=gkp-sensor-4