ARM: phytec-som-am335x: Remove kernel and oftree partiton in NAND
We store kernel and oftree in static UBI volumes now. No need
for seperate partitions any more.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>