armv8/ls1043ardb: add DSPI support

Use the U-Boot Driver Model. Just enable Freescale DSPI driver
and set DSPI related parameters in dts file.

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/ls1043ardb.h b/include/configs/ls1043ardb.h
index 307d947..3fa9b3b 100644
--- a/include/configs/ls1043ardb.h
+++ b/include/configs/ls1043ardb.h
@@ -222,6 +222,16 @@
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
 
+/* DSPI */
+#define CONFIG_FSL_DSPI
+#ifdef CONFIG_FSL_DSPI
+#define CONFIG_CMD_SF
+#define CONFIG_DM_SPI_FLASH
+#define CONFIG_SPI_FLASH_STMICRO
+#define CONFIG_SF_DEFAULT_BUS		1
+#define CONFIG_SF_DEFAULT_CS		0
+#endif
+
 /*
  * Environment
  */