platform_nand_pre_upgrade() is gone since commit 790692dde2
("base-files: drop support for the platform_nand_pre_upgrade()").
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
platform_nand_pre_upgrade() is gone since commit 790692dde2
("base-files: drop support for the platform_nand_pre_upgrade()").
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>