linux-stm32mp: Fix mtd spi-nand bad block issue

Fix issue for mtd nand bad block management from upstream See 5.16 fix in https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/mtd/nand/bbt.c?h=v5.16-rc6&id=fd0d8d85f7230052e638a56d1bfea170c488e6bc