linux-phytec-ti

arm64: dts: Add APM X-Gene standby GPIO controller DTS entries

Add standby domain gpio controller for APM X-Gene SoC platform.

Signed-off-by: Y Vo <yvo@apm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>