libertas: use kernel-doc notation, fix comment style

Convert all libertas/ files to use kernel-doc notation instead
of whatever it was (doxygen?).

Add or fix function parameters in several places.

Use expected style for multi-line comments in lots of places.

Remove erroneous /** in multiple places.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index 50193aa..29dbce4 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -20,7 +20,8 @@
 	strcpy(info->version, lbs_driver_version);
 }
 
-/* All 8388 parts have 16KiB EEPROM size at the time of writing.
+/*
+ * All 8388 parts have 16KiB EEPROM size at the time of writing.
  * In case that changes this needs fixing.
  */
 #define LBS_EEPROM_LEN 16384