Initial version of DTSI for ProXstream2 and PH1-LD6b and DTS for
PH1-LD6b reference board.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[olof: sort Makefile entries]
Signed-off-by: Olof Johansson <olof@lixom.net>