mtd: nand: raw: atmel: Fix comment in timings preparation

Looks like a copy'n'paste mistake introduced when initially adding the
dynamic timings feature with commit f9ce2ed ("mtd: nand: atmel: Add
->setup_data_interface() hooks").  The context around this and
especially the code itself suggests 'read' is meant instead of write.

Signed-off-by: Alexander Dahl <[email protected]>
Reviewed-by: Nicolas Ferre <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]

Author: LeSpocky

drivers/mtd/nand/raw/atmel/nand-controller.c

@@ -1378,7 +1378,7 @@ static int atmel_smc_nand_prepare_smcconf(struct atmel_nand *nand,
 		return ret;
 
 	/*
-	 * The write cycle timing is directly matching tWC, but is also
+	 * The read cycle timing is directly matching tRC, but is also
 	 * dependent on the setup and hold timings we calculated earlier,
 	 * which gives:
 	 *