INTERNAL: drivers: power: reset: Add trigger reset support in poweroff driver

In default flow, to trigger reset, HLOS make secure domain call which
is experiencing issue, adding the reset trigger support in HLOS to avoid
relying on secure domain.

Change-Id: I4dde15e29f2add8be5bee9b0595952e5b793aae2
Signed-off-by: Pranav Patel <pranavp@codeaurora.org>
Reviewed-on: https://chromium-review.googlesource.com/c/1426664


Tested-by: SANTHOSH JANARDHANA HASSAN <sahassan@google.com>
Tested-by: Zhihong Yu <zhihongyu@chromium.org>
Reviewed-by: Zhihong Yu <zhihongyu@chromium.org>
Commit-Queue: Zhihong Yu <zhihongyu@chromium.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>