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/comtrend_ar5387un_ram_defconfig b/configs/comtrend_ar5387un_ram_defconfig
index d9a97c5..67fa622 100644
--- a/configs/comtrend_ar5387un_ram_defconfig
+++ b/configs/comtrend_ar5387un_ram_defconfig
@@ -20,6 +20,7 @@
CONFIG_HUSH_PARSER=y
CONFIG_SYS_PROMPT="AR-5387un # "
CONFIG_SYS_MAXARGS=24
+CONFIG_SYS_CBSIZE=512
CONFIG_SYS_PBSIZE=541
CONFIG_CMD_CPU=y
CONFIG_CMD_LICENSE=y