We don't need to expose a 'wait-till-ready' interface to drivers. Status
register polling should be handled by the core spi-nor.c library, and as
of now, I see no need to provide a special driver-specific hook for it.
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>
Reviewed-by: NMarek Vasut <marex@denx.de>