Use the spi-nor framework for the m25p80 driver to de-duplicate the code base
and follow along with the linux kernel version, so bugfixes or features can be
easier integrated.
Based on the Linux v4.1-rc3 version of m25p80.c.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>