blackfin: rename bfin-twi_i2c driver to adi_i2c

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
diff --git a/include/configs/bf609-ezkit.h b/include/configs/bf609-ezkit.h
index 12192ff..f02e155 100644
--- a/include/configs/bf609-ezkit.h
+++ b/include/configs/bf609-ezkit.h
@@ -81,7 +81,7 @@
 #define CONFIG_PHYLIB
 
 /* i2c Settings */
-#define CONFIG_BFIN_TWI_I2C
+#define CONFIG_SYS_I2C_ADI
 #define CONFIG_HARD_I2C
 
 /*