feat(mt8188): 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.

TEST=build pass.
BUG=b:244216434

Signed-off-by: Fengquan Chen <fengquan.chen@mediatek.corp-partner.google.com>
Change-Id: I468036131e941a46bc1ec12d33105146000730d8
diff --git a/plat/mediatek/mt8188/platform.mk b/plat/mediatek/mt8188/platform.mk
index 11e75e8..4233d92 100644
--- a/plat/mediatek/mt8188/platform.mk
+++ b/plat/mediatek/mt8188/platform.mk
@@ -25,6 +25,7 @@
 MODULES-y += $(MTK_PLAT)/lib/system_reset
 MODULES-y += $(MTK_PLAT)/drivers/cirq
 MODULES-y += $(MTK_PLAT)/drivers/dcm
+MODULES-y += $(MTK_PLAT)/drivers/dfd
 MODULES-y += $(MTK_PLAT)/drivers/dp
 MODULES-y += $(MTK_PLAT)/drivers/emi_mpu
 MODULES-y += $(MTK_PLAT)/drivers/gic600