Blackfin: bf533/bf561 boards: convert to new soft gpio i2c code

Use the new common gpio framework to simplify and unify the soft i2c
configuration settings.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Heiko Schocher <hs@denx.de>
diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h
index 901a32f..4476268 100644
--- a/include/configs/bfin_adi_common.h
+++ b/include/configs/bfin_adi_common.h
@@ -68,6 +68,7 @@
 # endif
 # if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
 #  define CONFIG_CMD_I2C
+#  define CONFIG_SOFT_I2C_READ_REPEATED_START
 # endif
 # ifdef CONFIG_SYS_NO_FLASH
 #  undef CONFIG_CMD_FLASH