feat(mt8188): add pmic and pwrap support

Add PWRAP and PMIC driver to support power-off.

TEST=build pass.
BUG=b:233720142

Signed-off-by: Hui Liu <hui.liu@mediatek.corp-partner.google.com>
Change-Id: Id9951134925f6cb5f8d304a7b8e7901837809bd9
diff --git a/plat/mediatek/drivers/pmic/rules.mk b/plat/mediatek/drivers/pmic/rules.mk
new file mode 100644
index 0000000..e408b03
--- /dev/null
+++ b/plat/mediatek/drivers/pmic/rules.mk
@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2022, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+LOCAL_DIR := $(call GET_LOCAL_DIR)
+
+MODULE := pmic
+
+LOCAL_SRCS-y += ${LOCAL_DIR}/pmic.c
+
+PLAT_INCLUDES += -I${LOCAL_DIR}/
+
+$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL)))