video: dcu: Add DCU driver support

This patch is to add DCU driver support. DCU also named
2D-ACE(Two Dimensional Animation and Compositing Engine)
is a system master that fetches graphics stored in internal
or external memory and displays them on a TFT LCD panel.

Signed-off-by: Alison Wang <alison.wang@freescale.com>
diff --git a/arch/arm/include/asm/arch-ls102xa/config.h b/arch/arm/include/asm/arch-ls102xa/config.h
index 08c21af..ed78c33 100644
--- a/arch/arm/include/asm/arch-ls102xa/config.h
+++ b/arch/arm/include/asm/arch-ls102xa/config.h
@@ -24,6 +24,7 @@
 #define CONFIG_SYS_FSL_LS1_CLK_ADDR		(CONFIG_SYS_IMMR + 0x00ee1000)
 #define CONFIG_SYS_NS16550_COM1			(CONFIG_SYS_IMMR + 0x011c0500)
 #define CONFIG_SYS_NS16550_COM2			(CONFIG_SYS_IMMR + 0x011d0500)
+#define CONFIG_SYS_DCU_ADDR			(CONFIG_SYS_IMMR + 0x01ce0000)
 
 #define CONFIG_SYS_TSEC1_OFFSET			0x01d10000
 #define CONFIG_SYS_TSEC2_OFFSET			0x01d50000
@@ -60,6 +61,9 @@
 #define CONFIG_SYS_FSL_WDOG_BE
 #define CONFIG_SYS_FSL_DSPI_BE
 #define CONFIG_SYS_FSL_QSPI_BE
+#define CONFIG_SYS_FSL_DCU_BE
+
+#define DCU_LAYER_MAX_NUM			16
 
 #define CONFIG_SYS_FSL_SRDS_1