Use new device_platform_driver() macro for drivers ...

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

mtd: add parent support ...

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

switch all platform_bus device/driver registering to platform_driver/device_register ...

now register_driver and register_device are for bus only usage.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

mtd: docg3 fixes backport from Linux kernel ...

Backport 2 fixes back from Linux kernel (title verbatim from
Linux kernel log) :
 - docg3 fix in-middle of blocks reads
 - docg3 reduce read alignment burden

These 2 enable partial reads from the MTD (ie. read only the
111 first bytes), which enable linux kernel booting or UBIFS
from barebox.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

drivers/mtd: improve docg3 write speed ...

When programming or erasing a page, don't wait
systematically for 3s, but finish the operation as soon as
the hardware has finished, and timeout if 3 seconds have
passed.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

drivers/mtd: fix docg3 write support ...

Fix typo error in MTD_WRITE defines.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

drivers/mtd: add docg3 chip ...

Add the MSystem disk-on-chip G3 support, taken from the
linux kernel with few amendments to bring it into barebox.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>