mtd: Add missing MTD dependency for cfi_mtd

cfi_mtd requires add_mtd_device() which is available only when MTD is
enabled that's why record this dependency.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/76ae01ce2b2c988758b69e0f0cdcc21bf301c01e.1688472227.git.michal.simek@amd.com
1 file changed