media: i2c: ccs: replace snprintf in show functions with sysfs_emit

show() should not use snprintf() when formatting the value to be
returned to user space.

Fix the following coccicheck warning:
drivers/media/i2c/ccs/ccs-core.c:3761: WARNING: use scnprintf or sprintf.
Signed-off-by: Qing Wang <wangqing@vivo.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/ccs/ccs-core.c

@@ -2758,11 +2758,11 @@ ident_show(struct device *dev, struct device_attribute *attr, char *buf)
 	struct ccs_module_info *minfo = &sensor->minfo;
 
 	if (minfo->mipi_manufacturer_id)
-		return snprintf(buf, PAGE_SIZE, "%4.4x%4.4x%2.2x\n",
+		return sysfs_emit(buf, "%4.4x%4.4x%2.2x\n",
 				    minfo->mipi_manufacturer_id, minfo->model_id,
 				    minfo->revision_number) + 1;
 	else
-		return snprintf(buf, PAGE_SIZE, "%2.2x%4.4x%2.2x\n",
+		return sysfs_emit(buf, "%2.2x%4.4x%2.2x\n",
 				    minfo->smia_manufacturer_id, minfo->model_id,
 				    minfo->revision_number) + 1;
 }