* Enable ARM_APPENDED_DTB
Typically the bootloader of a kzm9g board does not support DT
so this option is useful.
* Use voltage regulators by default
* Move command line to dts
This brings us one small step closer to sharing defconfig
between kzm9g and other boards
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>