firmware: xilinx: Add shutdown/wakeup APIs

firmware: xilinx: Add shutdown/wakeup APIs

Add shutdown/wakeup a resource eemi operations to shutdown
or bringup a resource.

Note alignment of args matches convention of other fn's in this file.
The reason being that the long fn name results in aligned args that
otherwise go over 80 chars so shift right to avoid this

Signed-off-by: Ben Levinsky <ben.levinsky@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221114233940.2096237-5-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>