GitLab

Secure pl061 qemu driver allows to rize the GPIO pin
from the secure world to reboot and power down
virtual machine.

Do not define secure-gpio for sbsa-ref platform due to
reboot is done via sbsa-ec watchdog.
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Change-Id: I508d7c5cf4c75cb169b34b00682a76f6761d3869