exynos: Enable hashing functions and EDID for smdk5250

Enable SHA1/SHA256 hashing and the hash command. Also enable EDID
support for reading from an LCD.
Signed-off-by: NSimon Glass <sjg@chromium.org>

include/configs/smdk5250.h

@@ -203,6 +203,7 @@
 #define CONFIG_I2C_MULTI_BUS
 #define CONFIG_MAX_I2C_NUM	8
 #define CONFIG_SYS_I2C_SLAVE    0x0
+#define CONFIG_I2C_EDID
 
 /* Ethernet Controllor Driver */
 #ifdef CONFIG_CMD_NET
@@ -215,4 +216,10 @@
 /* Enable devicetree support */
 #define CONFIG_OF_LIBFDT
 
+/* SHA hashing */
+#define CONFIG_CMD_HASH
+#define CONFIG_HASH_VERIFY
+#define CONFIG_SHA1
+#define CONFIG_SHA256
+
 #endif	/* __CONFIG_H */