CXL PMU devices can be found from entries in the Register
Locator DVSEC.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20230526095824.16336-4-Jonathan.Cameron@huawei.comSigned-off-by: Dan Williams <dan.j.williams@intel.com>