armv8/ls2085ardb: Enable DSPI flash support for LS2085ARDB

Enable DSPI flash related configurations for LS2085ARDB.

Signed-off-by: Haikun Wang <haikun.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

include/configs/ls2085ardb.h

@@ -245,6 +245,14 @@ unsigned long get_board_sys_clk(void);
 /* I2C bus multiplexer */
 #define I2C_MUX_CH_DEFAULT      0x8
 
+/* SPI */
+#ifdef CONFIG_FSL_DSPI
+#define CONFIG_CMD_SF
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_STMICRO
+#define CONFIG_SPI_FLASH_BAR
+#endif
+
 /*
  * RTC configuration
  */