feat(mt8188): add support for PTP3

Add PTP3 driver to protect CPU from excessive voltage drop in CPU
heavy loading.

Signed-off-by: Riven Chen <riven.chen@mediatek.corp-partner.google.com>
Change-Id: I394096be43e1d1d615f99b22f38f0b3ae0bb40c1
diff --git a/plat/mediatek/mt8188/platform.mk b/plat/mediatek/mt8188/platform.mk
index b509edc..92b65e5 100644
--- a/plat/mediatek/mt8188/platform.mk
+++ b/plat/mediatek/mt8188/platform.mk
@@ -36,6 +36,7 @@
 MODULES-y += $(MTK_PLAT)/drivers/mcusys
 MODULES-y += $(MTK_PLAT)/drivers/pmic
 MODULES-y += $(MTK_PLAT)/drivers/pmic_wrap
+MODULES-y += $(MTK_PLAT)/drivers/ptp3
 MODULES-y += $(MTK_PLAT)/drivers/rtc
 MODULES-y += $(MTK_PLAT)/drivers/timer
 MODULES-y += $(MTK_PLAT)/helpers