[media] cx231xx: Properly name rc_map name

rc_map is confusing, as it may be understood as another thing. Properly
rename the field to indicate its usage.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx231xx/cx231xx-input.c b/drivers/media/video/cx231xx/cx231xx-input.c
index 65d951e..1d043ed 100644
--- a/drivers/media/video/cx231xx/cx231xx-input.c
+++ b/drivers/media/video/cx231xx/cx231xx-input.c
@@ -57,7 +57,7 @@
 	dev_dbg(&dev->udev->dev, "%s\n", __func__);
 
 	/* Only initialize if a rc keycode map is defined */
-	if (!cx231xx_boards[dev->model].rc_map)
+	if (!cx231xx_boards[dev->model].rc_map_name)
 		return -ENODEV;
 
 	request_module("ir-kbd-i2c");
@@ -80,7 +80,7 @@
 	 * an i2c device.
 	 */
 	dev->init_data.get_key = get_key_isdbt;
-	dev->init_data.ir_codes = cx231xx_boards[dev->model].rc_map;
+	dev->init_data.ir_codes = cx231xx_boards[dev->model].rc_map_name;
 	/* The i2c micro-controller only outputs the cmd part of NEC protocol */
 	dev->init_data.rc_dev->scanmask = 0xff;
 	dev->init_data.rc_dev->driver_name = "cx231xx";