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/include/mt8188/platform_def.h b/plat/mediatek/include/mt8188/platform_def.h
index aed5ee5..0234837 100644
--- a/plat/mediatek/include/mt8188/platform_def.h
+++ b/plat/mediatek/include/mt8188/platform_def.h
@@ -23,6 +23,8 @@
  * GPIO related constants
  ******************************************************************************/
 #define GPIO_BASE		(IO_PHYS + 0x00005000)
+#define RGU_BASE		(IO_PHYS + 0x00007000)
+#define DRM_BASE		(IO_PHYS + 0x0000D000)
 #define IOCFG_RM_BASE		(IO_PHYS + 0x01C00000)
 #define IOCFG_LT_BASE		(IO_PHYS + 0x01E10000)
 #define IOCFG_LM_BASE		(IO_PHYS + 0x01E20000)