platform/x86:intel/pmc: Improve pmc_core_get_lpm_req()
Minor improvements on pmc_core_get_lpm_req().
1. Move the long comment to be above the function
2. Use %pe to print error pointer
3. Remove unneeded devm_kfree call
These changes improves the code maintainability.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250425195237.493129-6-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>