drm/xe: Fix typo in vram frequency sysfs documentation

Fix function naming and description for xe_vram_freq_sysfs_init
function.

v2: Add fixes tag (Riana)
    Fix review comments (Lucas)

Fixes: 4ae3aeab ("drm/xe: Add vram frequency sysfs attributes")
Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240117043215.2598677-1-sujaritha.sundaresan@intel.com

drivers/gpu/drm/xe/xe_vram_freq.c

@@ -95,13 +95,12 @@ static void vram_freq_sysfs_fini(struct drm_device *drm, void *arg)
 	kobject_put(kobj);
 }
 
-/*
- * xe_vram_freq_init - Initialize vram frequency component
+/**
+ * xe_vram_freq_sysfs_init - Initialize vram frequency sysfs component
  * @tile: Xe Tile object
  *
  * It needs to be initialized after the main tile component is ready
  */
-
 void xe_vram_freq_sysfs_init(struct xe_tile *tile)
 {
 	struct xe_device *xe = tile_to_xe(tile);