feat(plat/mdeiatek/mt8195): add DFD control in SiP service

DFD (Design for Debug) is a debugging tool, which scans
flip-flops and dumps to internal RAM on the WDT reset.
After system reboots, those values could be showed for
debugging.

BUG=b:192429713

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I02c6c862b6217bc84c83a09b533bd53ec19b06f7
7 files changed