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/vf610twr_nand_defconfig b/configs/vf610twr_nand_defconfig
index 8ab5157..f6ed47f 100644
--- a/configs/vf610twr_nand_defconfig
+++ b/configs/vf610twr_nand_defconfig
@@ -25,6 +25,7 @@
CONFIG_HUSH_PARSER=y
# CONFIG_CMDLINE_EDITING is not set
# CONFIG_AUTO_COMPLETE is not set
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=276
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_MEMTEST=y