Determine AM43x device features by reusing AM335x helper as feature
register layout is similar.
And also exporting AM43xx family name.
Signed-off-by: NAfzal Mohammed <afzal@ti.com>
Signed-off-by: NLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>