pds_core: Fix function header descriptions

The pds-vfio-pci series made a small interface change to
pds_client_register() and pds_client_unregister(), but forgot to update
the function header descriptions. Fix that.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308180411.OSqJPtMz-lkp@intel.com/
Fixes: b021d05 ("pds_core: Require callers of register/unregister to pass PF drvdata")
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Link: https://lore.kernel.org/r/20230817224212.14266-1-brett.creeley@amd.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

Author: brettcreeley

drivers/net/ethernet/amd/pds_core/auxbus.c

@@ -8,7 +8,7 @@
 
 /**
  * pds_client_register - Link the client to the firmware
- * @pf_pdev:	ptr to the PF driver struct
+ * @pf:		ptr to the PF driver's private data struct
  * @devname:	name that includes service into, e.g. pds_core.vDPA
  *
  * Return: 0 on success, or
@@ -48,7 +48,7 @@ EXPORT_SYMBOL_GPL(pds_client_register);
 
 /**
  * pds_client_unregister - Unlink the client from the firmware
- * @pf_pdev:	ptr to the PF driver struct
+ * @pf:		ptr to the PF driver's private data struct
  * @client_id:	id returned from pds_client_register()
  *
  * Return: 0 on success, or