arm: dts: chameleonv3: Add 270-2 variant

Add devicetree for chameleonv3 with the 270-2I2-D11E variant of the
Mercury+ AA1 module

Signed-off-by: Paweł Anikiel <pan@semihalf.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
3 files changed