hikey960: initialize EDMAC and channels

This is needed to utilize the DMA controller on the hikey960

Signed-off-by: Ryan Grachek <ryan@edited.us>
diff --git a/plat/hisilicon/hikey960/include/hi3660.h b/plat/hisilicon/hikey960/include/hi3660.h
index 8ce531e..c9ecd32 100644
--- a/plat/hisilicon/hikey960/include/hi3660.h
+++ b/plat/hisilicon/hikey960/include/hi3660.h
@@ -366,4 +366,11 @@
 /* GPIO219: PD interrupt. pull up */
 #define IOCG_AO_043_REG			(IOCG_AO_REG_BASE + 0x030)
 
+#define EDMAC_BASE				0xfdf30000
+#define EDMAC_SEC_CTRL				(EDMAC_BASE + 0x694)
+#define EDMAC_AXI_CONF(x)			(EDMAC_BASE + 0x820 + (x << 6))
+#define EDMAC_SEC_CTRL_INTR_SEC			(1 << 1)
+#define EDMAC_SEC_CTRL_GLOBAL_SEC		(1 << 0)
+#define EDMAC_CHANNEL_NUMS				16
+
 #endif /* HI3660_H */