Convert CONFIG_SYS_CBSIZE to Kconfig
This converts the following to Kconfig:
CONFIG_SYS_CBSIZE
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/at91sam9n12ek_mmc_defconfig b/configs/at91sam9n12ek_mmc_defconfig
index 9ab9eff..06ea24b 100644
--- a/configs/at91sam9n12ek_mmc_defconfig
+++ b/configs/at91sam9n12ek_mmc_defconfig
@@ -20,6 +20,7 @@
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_HUSH_PARSER=y
CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=281
CONFIG_CMD_BOOTZ=y
# CONFIG_CMD_FLASH is not set