The .dts files for the Calxeda machines are quite old, so carry some
sloppy mistakes that the DT schema checker will complain about.

Fix those issues, they should not have any effect on functionality.

Link: https://lore.kernel.org/r/20200228135106.220620-2-andre.przywara@arm.comSigned-off-by: NAndre Przywara <andre.przywara@arm.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>