wl12xx: fix typo in fwlog module param description

Fix a copy and paste bug in the MODULE_PARAM_DESC for fwlog.

Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 6c92f86..ce0a233 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -5444,7 +5444,7 @@
 MODULE_PARM_DESC(debug_level, "wl12xx debugging level");
 
 module_param_named(fwlog, fwlog_param, charp, 0);
-MODULE_PARM_DESC(keymap,
+MODULE_PARM_DESC(fwlog,
 		 "FW logger options: continuous, ondemand, dbgpins or disable");
 
 module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR);