Add device trees for 96boards EE DeveloperBox and basement SynQuacer
SoC dtsi. These files are imported from EDK2
commit 83d38b0b4c0f240d4488c600bbe87cea391f3922
as-is (except for the changes #include path and some macros).
And add U-Boot specific changes in synquacer-sc2a11-developerbox-u-boot.dtsi
Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>