refactor(tc): move out platform specific DT binding from tc-base.dtsi

The main purpose of 'tc-base.dtsi' is for common DT bindings, however,
it contains bindings for platform specific.

This patch moves out these plaform specific bindings to 'tc2.dts' and
'tc3.dts' respectively.

Change-Id: I9355eeff539a3f2940190aef399b4fb4828cbbac
Signed-off-by: Leo Yan <leo.yan@arm.com>
3 files changed