platform/x86: think-lmi: Update password attribute comments

Add comments to clarify what the different password attributes
are (as requested).
Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230601200552.4396-4-mpearson-lenovo@squebb.caSigned-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/x86/think-lmi.c

@@ -169,11 +169,11 @@ MODULE_PARM_DESC(debug_support, "Enable debug command support");
  */
 #define LENOVO_CERT_THUMBPRINT_GUID "C59119ED-1C0D-4806-A8E9-59AA318176C4"
 
-#define TLMI_POP_PWD (1 << 0)
-#define TLMI_PAP_PWD (1 << 1)
-#define TLMI_HDD_PWD (1 << 2)
+#define TLMI_POP_PWD (1 << 0) /* Supervisor */
+#define TLMI_PAP_PWD (1 << 1) /* Power-on */
+#define TLMI_HDD_PWD (1 << 2) /* HDD/NVME */
 #define TLMI_SMP_PWD (1 << 6) /* System Management */
-#define TLMI_CERT    (1 << 7)
+#define TLMI_CERT    (1 << 7) /* Certificate Based */
 
 #define to_tlmi_pwd_setting(kobj)  container_of(kobj, struct tlmi_pwd_setting, kobj)
 #define to_tlmi_attr_setting(kobj)  container_of(kobj, struct tlmi_attr_setting, kobj)