ata: pata-imx: Add missing NULL entry in dt ids

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
mtd: mtdraw: drop ioctl callback for mtdraw device

Do not call mtd_ioctl for mtdraw devices. mtd_ioctl will derefence
the priv pointer to a struct mtd_info whereas with mtdraw devices it will be
a struct mtdraw pointer. We do not need ioctls for mtdraw devices, so drop
it instead of fixing it.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
ARM: i.MX external NAND boot: Add missing instruction cache invalidate

Before we jump to SDRAM where we just copied our code we have to
invalidate the instruction cache.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>