scripts: kwbimage: add references to Marvell Dove SoC
This adds some references to Marvell Dove as it is also supported by
kwbimage.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>