mediatek: mt8192: Initialize delay_timer

Init delay_timer for the use of delay functions

Change-Id: I35aefd7515bb9259634c8b6bc37d8c74da96e8f1
Signed-off-by: Nina Wu <nina-cm.wu@mediatek.com>

plat/mediatek/mt8192/bl31_plat_setup.c

@@ -11,6 +11,7 @@
 #include <common/bl_common.h>
 #include <common/debug.h>
 #include <common/desc_image_load.h>
+#include <drivers/generic_delay_timer.h>
 #include <drivers/ti/uart/uart_16550.h>
 #include <lib/coreboot.h>
 
@@ -88,6 +89,7 @@ void bl31_platform_setup(void)
 
 	plat_mt8192_gpio_init();
 	mt_systimer_init();
+	generic_delay_timer_init();
 }
 
 /*******************************************************************************

plat/mediatek/mt8192/platform.mk

@@ -25,6 +25,8 @@ PLAT_BL_COMMON_SOURCES := ${GICV3_SOURCES}                              \
                           plat/common/plat_psci_common.c
 
 BL31_SOURCES    += common/desc_image_load.c                              \
+                   drivers/delay_timer/delay_timer.c                     \
+                   drivers/delay_timer/generic_delay_timer.c             \
                    drivers/ti/uart/aarch64/16550_console.S               \
                    drivers/gpio/gpio.c                                   \
                    lib/bl_aux_params/bl_aux_params.c                     \