dmi: fix kernel-doc notation

Add missing kernel-doc notation:

drivers/firmware/dmi_scan.c:475: No description found for parameter 'str'
drivers/firmware/dmi_scan.c:592: No description found for parameter 'f'
drivers/firmware/dmi_scan.c:592: No description found for parameter 'str'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 78b989d..d76adfe 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -468,8 +468,8 @@
 EXPORT_SYMBOL(dmi_get_system_info);
 
 /**
- *	dmi_name_in_serial - 	Check if string is in the DMI product serial
- *				information.
+ * dmi_name_in_serial - Check if string is in the DMI product serial information
+ * @str: string to check for
  */
 int dmi_name_in_serial(const char *str)
 {
@@ -585,6 +585,8 @@
 
 /**
  * dmi_match - compare a string to the dmi field (if exists)
+ * @f: DMI field identifier
+ * @str: string to compare the DMI field to
  *
  * Returns true if the requested field equals to the str (including NULL).
  */