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/at91sam9g20ek_nandflash_defconfig b/configs/at91sam9g20ek_nandflash_defconfig
index 9b9c918..af7fe32 100644
--- a/configs/at91sam9g20ek_nandflash_defconfig
+++ b/configs/at91sam9g20ek_nandflash_defconfig
@@ -24,6 +24,7 @@
CONFIG_BOOTCOMMAND="nand read 0x22000000 0x200000 0x300000; bootm"
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=281
# CONFIG_CMD_BDI is not set
CONFIG_CMD_BOOTZ=y