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/include/mt8188/platform_def.h b/plat/mediatek/include/mt8188/platform_def.h
index fa8cd41..0b38c63 100644
--- a/plat/mediatek/include/mt8188/platform_def.h
+++ b/plat/mediatek/include/mt8188/platform_def.h
@@ -26,6 +26,11 @@
 #define UART_BAUDRATE	(115200)
 
 /*******************************************************************************
+ * PMIC related constants
+ ******************************************************************************/
+#define PMIC_WRAP_BASE		(IO_PHYS + 0x00024000)
+
+/*******************************************************************************
  * Infra IOMMU related constants
  ******************************************************************************/
 #define PERICFG_AO_BASE		(IO_PHYS + 0x01003000)