ide: remove obsoleted "idex=" kernel parameters

* Remove obsoleted "idex=" kernel parameters.

* Make probe_* and cmd640_vlb variables static.

Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/legacy/ide-4drives.c b/drivers/ide/legacy/ide-4drives.c
index 17f94d0..ecae916 100644
--- a/drivers/ide/legacy/ide-4drives.c
+++ b/drivers/ide/legacy/ide-4drives.c
@@ -6,7 +6,7 @@
 
 #define DRV_NAME "ide-4drives"
 
-int probe_4drives;
+static int probe_4drives;
 
 module_param_named(probe, probe_4drives, bool, 0);
 MODULE_PARM_DESC(probe, "probe for generic IDE chipset with 4 drives/port");