mtd: rawnand: vf610_nfc: support ONFI SET/GET_FEATURES commands

With the move to ->exec_op() the driver should now support ONFI
SET/GET_FEATURES commands.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

drivers/mtd/nand/raw/vf610_nfc.c

@@ -814,8 +814,6 @@ static int vf610_nfc_probe(struct platform_device *pdev)
 
 	chip->exec_op = vf610_nfc_exec_op;
 	chip->select_chip = vf610_nfc_select_chip;
-	chip->onfi_set_features = nand_onfi_get_set_features_notsupp;
-	chip->onfi_get_features = nand_onfi_get_set_features_notsupp;
 
 	chip->options |= NAND_NO_SUBPAGE_WRITE;