mtd: rawnand: sunxi_spl: increase max_oobsize for 2KiB pages
Increase max_oobsize to take into account bigger OOB on 2KiB pages
Some NAND chip (e.g. Kioxia TC58NVG1S3HTA00) have a 2KiB page size +
128 bytes OOB.
In order to detect them, the max_oobsize has to be increased from 64 to
128 bytes.
Tested on Kioxia TC58NVG1S3HTA00 NAND chip on Whatsminer H616 board.
Signed-off-by: Richard Genoud <richard.genoud@bootlin.com> Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>