ARM: Add common platform devices for TCC8xxx SoCs

This patch introduces a first set of platform devices for integrated
peripherals of TCC8xxx processors. Drivers for these devices are
available and will be posted in a second step.

Signed-off-by: "Hans J. Koch" <hjk@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>