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
diff --git a/plat/mediatek/mt8195/plat_pm.c b/plat/mediatek/mt8195/plat_pm.c
index 2beeb02..b77ab27 100644
--- a/plat/mediatek/mt8195/plat_pm.c
+++ b/plat/mediatek/mt8195/plat_pm.c
@@ -17,6 +17,7 @@
 #include <mtk_ptp3_common.h>
 #include <mtspmc.h>
 #include <plat/common/platform.h>
+#include <plat_dfd.h>
 #include <plat_mtk_lpm.h>
 #include <plat_params.h>
 #include <plat_pm.h>
@@ -166,6 +167,8 @@
 	mt_gic_distif_restore();
 	gic_sgi_restore_all();
 
+	dfd_resume();
+
 	plat_mt_pm_invoke_no_check(pwr_mcusys_on_finished, cpu, state);
 }