media: imx-media-csc-scaler: Use a shorter name for driver

Currently v4l2-compliance tool returns the following output:

Compliance test for imx-media-csc-s device /dev/video8:

Driver Info:
        Driver name      : imx-media-csc-s
        Card type        : imx-media-csc-scaler
        Bus info         : platform:imx-media-csc-scaler

The driver name string is limited to 16 characters, so provide
a shorter name in order to get a better output.

While at it, use the same shorter name for driver, card and platform.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/imx/imx-media-csc-scaler.c

@@ -25,6 +25,8 @@
 
 #define fh_to_ctx(__fh)	container_of(__fh, struct ipu_csc_scaler_ctx, fh)
 
+#define IMX_CSC_SCALER_NAME "imx-csc-scaler"
+
 enum {
 	V4L2_M2M_SRC = 0,
 	V4L2_M2M_DST = 1,
@@ -150,10 +152,10 @@ static void device_run(void *_ctx)
 static int ipu_csc_scaler_querycap(struct file *file, void *priv,
 				   struct v4l2_capability *cap)
 {
-	strscpy(cap->driver, "imx-media-csc-scaler", sizeof(cap->driver));
-	strscpy(cap->card, "imx-media-csc-scaler", sizeof(cap->card));
-	strscpy(cap->bus_info, "platform:imx-media-csc-scaler",
-		sizeof(cap->bus_info));
+	strscpy(cap->driver, IMX_CSC_SCALER_NAME, sizeof(cap->driver));
+	strscpy(cap->card, IMX_CSC_SCALER_NAME, sizeof(cap->card));
+	snprintf(cap->bus_info, sizeof(cap->bus_info),
+		 "platform:%s", IMX_CSC_SCALER_NAME);
 
 	return 0;
 }