powerpc/85xx: Enable eSPI support on corenet ds boards

Signed-off-by: NShaohui Xie <b21989@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

include/configs/corenet_ds.h

@@ -350,6 +350,16 @@
 #endif
 #define CONFIG_SYS_SRIO2_MEM_SIZE	0x10000000	/* 256M */
 
+/*
+ * eSPI - Enhanced SPI
+ */
+#define CONFIG_FSL_ESPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_SPANSION
+#define CONFIG_CMD_SF
+#define CONFIG_SF_DEFAULT_SPEED         10000000
+#define CONFIG_SF_DEFAULT_MODE          0
+
 /*
  * General PCI
  * Memory space is mapped 1-1, but I/O space must start from 0.