media: atmel: atmel-isc: fix i386 build error

Changed module parameters to static.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/atmel/atmel-isc-base.c

@@ -35,11 +35,11 @@
 #include "atmel-isc-regs.h"
 #include "atmel-isc.h"
 
-unsigned int debug;
+static unsigned int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "debug level (0-2)");
 
-unsigned int sensor_preferred = 1;
+static unsigned int sensor_preferred = 1;
 module_param(sensor_preferred, uint, 0644);
 MODULE_PARM_DESC(sensor_preferred,
 		 "Sensor is preferred to output the specified format (1-on 0-off), default 1");

drivers/media/platform/atmel/atmel-isc.h

@@ -230,10 +230,6 @@ struct isc_device {
 
 #define ATMEL_ISC_NAME "atmel-isc"
 
-/* module parameters */
-extern unsigned int debug;
-extern unsigned int sensor_preferred;
-
 extern struct isc_format formats_list[];
 extern const struct isc_format controller_formats[];
 extern const u32 isc_gamma_table[GAMMA_MAX + 1][GAMMA_ENTRIES];