mediatek: mt8192: enable NS access for systimer

Enable NS access for all systimers.

Change-Id: I3693997082a1d6f09fef5a79b6cf5a91be46cb8a
diff --git a/plat/mediatek/mt8192/drivers/timer/mt_timer.h b/plat/mediatek/mt8192/drivers/timer/mt_timer.h
index 7aca4a3..b353177 100644
--- a/plat/mediatek/mt8192/drivers/timer/mt_timer.h
+++ b/plat/mediatek/mt8192/drivers/timer/mt_timer.h
@@ -12,6 +12,8 @@
 #define CNTSR_REG           (SYSTIMER_BASE + 0x4)
 #define CNTSYS_L_REG        (SYSTIMER_BASE + 0x8)
 #define CNTSYS_H_REG        (SYSTIMER_BASE + 0xc)
+#define CNTWACR_REG         (SYSTIMER_BASE + 0x10)
+#define CNTRACR_REG         (SYSTIMER_BASE + 0x14)
 
 #define TIEO_EN             (1 << 3)
 #define COMP_15_EN          (1 << 10)
@@ -23,8 +25,11 @@
 #define COMP_20_MASK (COMP_20_EN | TIEO_EN)
 #define COMP_25_MASK (COMP_20_EN | COMP_25_EN)
 
+#define CNT_WRITE_ACCESS_CTL_MASK (0x3FFFFF0U)
+#define CNT_READ_ACCESS_CTL_MASK  (0x3FFFFFFU)
 
 void sched_clock_init(uint64_t normal_base, uint64_t atf_base);
 uint64_t sched_clock(void);
+void mt_systimer_init(void);
 
 #endif /* MT_TIMER_H */