Just pass in the host byte to esp_cmd_is_done() and set the status or
message bytes if the host byte is DID_OK.

Link: https://lore.kernel.org/r/20210113090500.129644-29-hare@suse.deAcked-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>