mediatek: mt8195: Add gpio driver

Add gpio driver.

Signed-off-by: mtk20895 <zhiqiang.ma@mediatek.com>
Change-Id: I6ff6875c35294f56f2d8298d75cd18c230aad211
diff --git a/plat/mediatek/mt8195/bl31_plat_setup.c b/plat/mediatek/mt8195/bl31_plat_setup.c
index 61846a3..eaff349 100644
--- a/plat/mediatek/mt8195/bl31_plat_setup.c
+++ b/plat/mediatek/mt8195/bl31_plat_setup.c
@@ -18,6 +18,7 @@
 /* Platform Includes */
 #include <mt_gic_v3.h>
 #include <mt_timer.h>
+#include <mtgpio.h>
 #include <plat_params.h>
 #include <plat_private.h>
 
@@ -86,6 +87,7 @@
 	mt_gic_driver_init();
 	mt_gic_init();
 
+	mt_gpio_init();
 	mt_systimer_init();
 	generic_delay_timer_init();
 }