folio_queue: fix documentation

s/folioq_count/folioq_full/

Reported-by: Stephen Rothwell <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Christian Brauner <[e-mail]>

include/linux/folio_queue.h

···
 }
 
 /**
- * folioq_count: Query if a folio queue segment is full
+ * folioq_full: Query if a folio queue segment is full
  * @folioq: The segment to query
  *
  * Query if a folio queue segment is fully occupied.  Note that this does not