feat(mt8188): add the register definitions accessed by SPM

SPM needs to access some modules' registers to decide its sleep
behavior. This patch add these register definitions to platform_def.h.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Change-Id: I3bebe74e367d5f6a7b59563036e18a83a3ef31e9
1 file changed