ARM: DT: bcm21664: Device tree bindings

Add binding documents for the Broadcom BCM21664 SoC.

Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
ARM: bcm21664: Add board support.

Add support for the Broadcom BCM21664 mobile SoC. It has two Cortex-A9
cores like the BCM281xx family of chips. BCM21664 and BCM281xx share
many IP blocks in addition to the ARM cores.

Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
ARM: dts: bcm21664: Add device tree files.

Add device tree files for the Broadcom BCM21664 SoC.

Signed-off-by: Markus Mayer <markus.mayer@linaro.org>